HBase编程 API入门系列之scan（客户端而言）（5）
心得，写在前面的话，也许，中间会要多次执行，连接超时，多试试就好了。
package zhouls.bigdata.HbaseProject.Test1; import javax.xml.transform.Result; import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes; public class HBaseTest {
public static void main(String[] args) throws Exception {
HTable table = new HTable(getConfig(),TableName.valueOf("test_table"));//表名是test_table
// Put put = new Put(Bytes.toBytes("row_04"));//行键是row_04
// put.add(Bytes.toBytes("f"),Bytes.toBytes("name"),Bytes.toBytes("Andy1"));//列簇是f，列修饰符是name，值是Andy0
// put.add(Bytes.toBytes("f2"),Bytes.toBytes("name"),Bytes.toBytes("Andy3"));//列簇是f2，列修饰符是name，值是Andy3
// table.put(put);
// table.close(); // Get get = new Get(Bytes.toBytes("row_04"));
// get.addColumn(Bytes.toBytes("f1"), Bytes.toBytes("age"));如现在这样，不指定，默认把所有的全拿出来
// org.apache.hadoop.hbase.client.Result rest = table.get(get);
// System.out.println(rest.toString());
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_2"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("email"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("name"));
// table.delete(delete);
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_04"));
//// delete.deleteColumn(Bytes.toBytes("f"), Bytes.toBytes("name"));//deleteColumn是删除某一个列簇里的最新时间戳版本。
// delete.deleteColumns(Bytes.toBytes("f"), Bytes.toBytes("name"));//delete.deleteColumns是删除某个列簇里的所有时间戳版本。
// table.delete(delete);
// table.close(); Scan scan = new Scan();
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
table.close();
} public static Configuration getConfig(){
Configuration configuration = new Configuration();
// conf.set("hbase.rootdir","hdfs：HadoopMaster:9000/hbase");
configuration.set("hbase.zookeeper.quorum", "HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181");
return configuration;
}
}
2016-12-10 17:24:08,394 INFO [org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper] - Process identifier=hconnection-0x7a45682c connecting to ZooKeeper ensemble=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181
2016-12-10 17:24:08,432 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 GMT
2016-12-10 17:24:08,433 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:host.name=WIN-BQOBV63OBNM
2016-12-10 17:24:08,434 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.version=1.7.0_51
2016-12-10 17:24:08,435 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.vendor=Oracle Corporation
2016-12-10 17:24:08,436 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.home=C:\Program Files\Java\jdk1.7.0_51\jre
2016-12-10 17:24:08,436 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.class.path=D:\Code\MyEclipseJavaCode\HbaseProject\bin;D:\SoftWare\hbase-1.2.3\lib\activation-1.1.jar;D:\SoftWare\hbase-1.2.3\lib\aopalliance-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-i18n-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-kerberos-codec-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\api-asn1-api-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\api-util-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\asm-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\avro-1.7.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-1.7.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-core-1.8.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-cli-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-codec-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\commons-collections-3.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-compress-1.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-configuration-1.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-daemon-1.0.13.jar;D:\SoftWare\hbase-1.2.3\lib\commons-digester-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\commons-el-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-httpclient-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-io-2.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-lang-2.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-logging-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math-2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math3-3.1.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-net-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\disruptor-3.3.0.jar;D:\SoftWare\hbase-1.2.3\lib\findbugs-annotations-1.3.9-1.jar;D:\SoftWare\hbase-1.2.3\lib\guava-12.0.1.jar;D:\SoftWare\hbase-1.2.3\lib\guice-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\guice-servlet-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-annotations-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-auth-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-hdfs-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-app-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-core-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-jobclient-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-shuffle-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-api-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-server-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-client-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-examples-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-external-blockcache-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop2-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-prefix-tree-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-procedure-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-protocol-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-resource-bundle-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-rest-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-shell-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-thrift-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\htrace-core-3.1.0-incubating.jar;D:\SoftWare\hbase-1.2.3\lib\httpclient-4.2.5.jar;D:\SoftWare\hbase-1.2.3\lib\httpcore-4.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-core-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-jaxrs-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-mapper-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-xc-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jamon-runtime-2.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-compiler-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-runtime-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\javax.inject-1.jar;D:\SoftWare\hbase-1.2.3\lib\java-xmlbuilder-0.4.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-api-2.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-impl-2.2.3-1.jar;D:\SoftWare\hbase-1.2.3\lib\jcodings-1.0.8.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-client-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-core-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-guice-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-json-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-server-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jets3t-0.9.0.jar;D:\SoftWare\hbase-1.2.3\lib\jettison-1.3.3.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-sslengine-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-util-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\joni-2.1.2.jar;D:\SoftWare\hbase-1.2.3\lib\jruby-complete-1.6.8.jar;D:\SoftWare\hbase-1.2.3\lib\jsch-0.1.42.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-api-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\junit-4.12.jar;D:\SoftWare\hbase-1.2.3\lib\leveldbjni-all-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\libthrift-0.9.3.jar;D:\SoftWare\hbase-1.2.3\lib\log4j-1.2.17.jar;D:\SoftWare\hbase-1.2.3\lib\metrics-core-2.2.0.jar;D:\SoftWare\hbase-1.2.3\lib\netty-all-4.0.23.Final.jar;D:\SoftWare\hbase-1.2.3\lib\paranamer-2.3.jar;D:\SoftWare\hbase-1.2.3\lib\protobuf-java-2.5.0.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-api-1.7.7.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-log4j12-1.7.5.jar;D:\SoftWare\hbase-1.2.3\lib\snappy-java-1.0.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\spymemcached-2.11.6.jar;D:\SoftWare\hbase-1.2.3\lib\xmlenc-0.52.jar;D:\SoftWare\hbase-1.2.3\lib\xz-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\zookeeper-3.4.6.jar
2016-12-10 17:24:08,439 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.library.path=C:\Program Files\Java\jdk1.7.0_51\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Python27\;C:\Python27\Scripts;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\SoftWare\MATLAB R2013a\runtime\win64;D:\SoftWare\MATLAB R2013a\bin;C:\Program Files (x86)\IDM Computer Solutions\UltraCompare;C:\Program Files\Java\jdk1.7.0_51\bin;C:\Program Files\Java\jdk1.7.0_51\jre\bin;D:\SoftWare\apache-ant-1.9.0\bin;HADOOP_HOME\bin;D:\SoftWare\apache-maven-3.3.9\bin;D:\SoftWare\Scala\bin;D:\SoftWare\Scala\jre\bin;%MYSQL_HOME\bin;D:\SoftWare\MySQL Server\MySQL Server 5.0\bin;D:\SoftWare\apache-tomcat-7.0.69\bin;%C:\Windows\System32;%C:\Windows\SysWOW64;D:\SoftWare\SSH Secure Shell;.
2016-12-10 17:24:08,442 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.io.tmpdir=C:\Users\ADMINI~1\AppData\Local\Temp\
2016-12-10 17:24:08,443 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.compiler=<NA>
2016-12-10 17:24:08,443 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.name=Windows 7
2016-12-10 17:24:08,443 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.arch=amd64
2016-12-10 17:24:08,444 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.version=6.1
2016-12-10 17:24:08,444 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.name=Administrator
2016-12-10 17:24:08,445 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.home=C:\Users\Administrator
2016-12-10 17:24:08,445 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.dir=D:\Code\MyEclipseJavaCode\HbaseProject
2016-12-10 17:24:08,449 INFO [org.apache.zookeeper.ZooKeeper] - Initiating client connection, connectString=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181 sessionTimeout=180000 watcher=hconnection-0x7a45682c0x0, quorum=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181, baseZNode=/hbase
2016-12-10 17:24:08,638 INFO [org.apache.zookeeper.ClientCnxn] - Opening socket connection to server HadoopMaster/192.168.80.10:2181. Will not attempt to authenticate using SASL (unknown error)
2016-12-10 17:24:08,651 INFO [org.apache.zookeeper.ClientCnxn] - Socket connection established to HadoopMaster/192.168.80.10:2181, initiating session
2016-12-10 17:24:08,688 INFO [org.apache.zookeeper.ClientCnxn] - Session establishment complete on server HadoopMaster/192.168.80.10:2181, sessionid = 0x15825dedcf4002b, negotiated timeout = 40000
org.apache.hadoop.hbase.client.ClientScanner@23b804dd
2016-12-10 17:24:10,158 INFO [org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation] - Closing zookeeper sessionid=0x15825dedcf4002b
2016-12-10 17:24:10,166 INFO [org.apache.zookeeper.ZooKeeper] - Session: 0x15825dedcf4002b closed
2016-12-10 17:24:10,167 INFO [org.apache.zookeeper.ClientCnxn] - EventThread shut down
package zhouls.bigdata.HbaseProject.Test1; import javax.xml.transform.Result; import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes; public class HBaseTest {
public static void main(String[] args) throws Exception {
HTable table = new HTable(getConfig(),TableName.valueOf("test_table"));//表名是test_table
// Put put = new Put(Bytes.toBytes("row_04"));//行键是row_04
// put.add(Bytes.toBytes("f"),Bytes.toBytes("name"),Bytes.toBytes("Andy1"));//列簇是f，列修饰符是name，值是Andy0
// put.add(Bytes.toBytes("f2"),Bytes.toBytes("name"),Bytes.toBytes("Andy3"));//列簇是f2，列修饰符是name，值是Andy3
// table.put(put);
// table.close(); // Get get = new Get(Bytes.toBytes("row_04"));
// get.addColumn(Bytes.toBytes("f1"), Bytes.toBytes("age"));如现在这样，不指定，默认把所有的全拿出来
// org.apache.hadoop.hbase.client.Result rest = table.get(get);
// System.out.println(rest.toString());
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_2"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("email"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("name"));
// table.delete(delete);
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_04"));
//// delete.deleteColumn(Bytes.toBytes("f"), Bytes.toBytes("name"));//deleteColumn是删除某一个列簇里的最新时间戳版本。
// delete.deleteColumns(Bytes.toBytes("f"), Bytes.toBytes("name"));//delete.deleteColumns是删除某个列簇里的所有时间戳版本。
// table.delete(delete);
// table.close(); Scan scan = new Scan();
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
System.out.println(next.toString());
}
table.close(); } public static Configuration getConfig(){
Configuration configuration = new Configuration();
// conf.set("hbase.rootdir","hdfs：HadoopMaster:9000/hbase");
configuration.set("hbase.zookeeper.quorum", "HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181");
return configuration;
}
}
2016-12-10 17:29:53,501 INFO [org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper] - Process identifier=hconnection-0x7a45682c connecting to ZooKeeper ensemble=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181
2016-12-10 17:29:53,520 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 GMT
2016-12-10 17:29:53,520 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:host.name=WIN-BQOBV63OBNM
2016-12-10 17:29:53,520 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.version=1.7.0_51
2016-12-10 17:29:53,520 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.vendor=Oracle Corporation
2016-12-10 17:29:53,520 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.home=C:\Program Files\Java\jdk1.7.0_51\jre
2016-12-10 17:29:53,521 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.class.path=D:\Code\MyEclipseJavaCode\HbaseProject\bin;D:\SoftWare\hbase-1.2.3\lib\activation-1.1.jar;D:\SoftWare\hbase-1.2.3\lib\aopalliance-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-i18n-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-kerberos-codec-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\api-asn1-api-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\api-util-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\asm-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\avro-1.7.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-1.7.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-core-1.8.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-cli-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-codec-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\commons-collections-3.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-compress-1.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-configuration-1.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-daemon-1.0.13.jar;D:\SoftWare\hbase-1.2.3\lib\commons-digester-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\commons-el-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-httpclient-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-io-2.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-lang-2.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-logging-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math-2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math3-3.1.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-net-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\disruptor-3.3.0.jar;D:\SoftWare\hbase-1.2.3\lib\findbugs-annotations-1.3.9-1.jar;D:\SoftWare\hbase-1.2.3\lib\guava-12.0.1.jar;D:\SoftWare\hbase-1.2.3\lib\guice-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\guice-servlet-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-annotations-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-auth-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-hdfs-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-app-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-core-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-jobclient-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-shuffle-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-api-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-server-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-client-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-examples-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-external-blockcache-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop2-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-prefix-tree-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-procedure-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-protocol-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-resource-bundle-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-rest-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-shell-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-thrift-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\htrace-core-3.1.0-incubating.jar;D:\SoftWare\hbase-1.2.3\lib\httpclient-4.2.5.jar;D:\SoftWare\hbase-1.2.3\lib\httpcore-4.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-core-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-jaxrs-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-mapper-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-xc-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jamon-runtime-2.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-compiler-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-runtime-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\javax.inject-1.jar;D:\SoftWare\hbase-1.2.3\lib\java-xmlbuilder-0.4.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-api-2.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-impl-2.2.3-1.jar;D:\SoftWare\hbase-1.2.3\lib\jcodings-1.0.8.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-client-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-core-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-guice-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-json-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-server-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jets3t-0.9.0.jar;D:\SoftWare\hbase-1.2.3\lib\jettison-1.3.3.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-sslengine-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-util-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\joni-2.1.2.jar;D:\SoftWare\hbase-1.2.3\lib\jruby-complete-1.6.8.jar;D:\SoftWare\hbase-1.2.3\lib\jsch-0.1.42.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-api-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\junit-4.12.jar;D:\SoftWare\hbase-1.2.3\lib\leveldbjni-all-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\libthrift-0.9.3.jar;D:\SoftWare\hbase-1.2.3\lib\log4j-1.2.17.jar;D:\SoftWare\hbase-1.2.3\lib\metrics-core-2.2.0.jar;D:\SoftWare\hbase-1.2.3\lib\netty-all-4.0.23.Final.jar;D:\SoftWare\hbase-1.2.3\lib\paranamer-2.3.jar;D:\SoftWare\hbase-1.2.3\lib\protobuf-java-2.5.0.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-api-1.7.7.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-log4j12-1.7.5.jar;D:\SoftWare\hbase-1.2.3\lib\snappy-java-1.0.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\spymemcached-2.11.6.jar;D:\SoftWare\hbase-1.2.3\lib\xmlenc-0.52.jar;D:\SoftWare\hbase-1.2.3\lib\xz-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\zookeeper-3.4.6.jar
2016-12-10 17:29:53,522 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.library.path=C:\Program Files\Java\jdk1.7.0_51\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Python27\;C:\Python27\Scripts;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\SoftWare\MATLAB R2013a\runtime\win64;D:\SoftWare\MATLAB R2013a\bin;C:\Program Files (x86)\IDM Computer Solutions\UltraCompare;C:\Program Files\Java\jdk1.7.0_51\bin;C:\Program Files\Java\jdk1.7.0_51\jre\bin;D:\SoftWare\apache-ant-1.9.0\bin;HADOOP_HOME\bin;D:\SoftWare\apache-maven-3.3.9\bin;D:\SoftWare\Scala\bin;D:\SoftWare\Scala\jre\bin;%MYSQL_HOME\bin;D:\SoftWare\MySQL Server\MySQL Server 5.0\bin;D:\SoftWare\apache-tomcat-7.0.69\bin;%C:\Windows\System32;%C:\Windows\SysWOW64;D:\SoftWare\SSH Secure Shell;.
2016-12-10 17:29:53,522 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.io.tmpdir=C:\Users\ADMINI~1\AppData\Local\Temp\
2016-12-10 17:29:53,522 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.compiler=<NA>
2016-12-10 17:29:53,522 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.name=Windows 7
2016-12-10 17:29:53,522 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.arch=amd64
2016-12-10 17:29:53,523 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.version=6.1
2016-12-10 17:29:53,523 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.name=Administrator
2016-12-10 17:29:53,523 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.home=C:\Users\Administrator
2016-12-10 17:29:53,523 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.dir=D:\Code\MyEclipseJavaCode\HbaseProject
2016-12-10 17:29:53,525 INFO [org.apache.zookeeper.ZooKeeper] - Initiating client connection, connectString=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181 sessionTimeout=180000 watcher=hconnection-0x7a45682c0x0, quorum=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181, baseZNode=/hbase
2016-12-10 17:29:53,588 INFO [org.apache.zookeeper.ClientCnxn] - Opening socket connection to server HadoopSlave1/192.168.80.11:2181. Will not attempt to authenticate using SASL (unknown error)
2016-12-10 17:29:53,594 INFO [org.apache.zookeeper.ClientCnxn] - Socket connection established to HadoopSlave1/192.168.80.11:2181, initiating session
2016-12-10 17:29:53,612 INFO [org.apache.zookeeper.ClientCnxn] - Session establishment complete on server HadoopSlave1/192.168.80.11:2181, sessionid = 0x2587338ecb40026, negotiated timeout = 40000
org.apache.hadoop.hbase.client.ClientScanner@ff35374
keyvalues={row_01/f:col/1478102698687/Put/vlen=5/seqid=0, row_01/f:name/1478104345828/Put/vlen=4/seqid=0}
keyvalues={row_02/f:name/1478104477628/Put/vlen=5/seqid=0}
keyvalues={row_03/f:name/1478123664884/Put/vlen=5/seqid=0}
2016-12-10 17:29:54,863 INFO [org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation] - Closing zookeeper sessionid=0x2587338ecb40026
2016-12-10 17:29:54,868 INFO [org.apache.zookeeper.ZooKeeper] - Session: 0x2587338ecb40026 closed
2016-12-10 17:29:54,868 INFO [org.apache.zookeeper.ClientCnxn] - EventThread shut down
package zhouls.bigdata.HbaseProject.Test1; import javax.xml.transform.Result; import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes; public class HBaseTest {
public static void main(String[] args) throws Exception {
HTable table = new HTable(getConfig(),TableName.valueOf("test_table2"));//表名是test_table2
// Put put = new Put(Bytes.toBytes("row_04"));//行键是row_04
// put.add(Bytes.toBytes("f"),Bytes.toBytes("name"),Bytes.toBytes("Andy1"));//列簇是f，列修饰符是name，值是Andy0
// put.add(Bytes.toBytes("f2"),Bytes.toBytes("name"),Bytes.toBytes("Andy3"));//列簇是f2，列修饰符是name，值是Andy3
// table.put(put);
// table.close(); // Get get = new Get(Bytes.toBytes("row_04"));
// get.addColumn(Bytes.toBytes("f1"), Bytes.toBytes("age"));如现在这样，不指定，默认把所有的全拿出来
// org.apache.hadoop.hbase.client.Result rest = table.get(get);
// System.out.println(rest.toString());
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_2"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("email"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("name"));
// table.delete(delete);
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_04"));
//// delete.deleteColumn(Bytes.toBytes("f"), Bytes.toBytes("name"));//deleteColumn是删除某一个列簇里的最新时间戳版本。
// delete.deleteColumns(Bytes.toBytes("f"), Bytes.toBytes("name"));//delete.deleteColumns是删除某个列簇里的所有时间戳版本。
// table.delete(delete);
// table.close(); Scan scan = new Scan();
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
System.out.println(next.toString());
}
table.close();
} public static Configuration getConfig(){
Configuration configuration = new Configuration();
// conf.set("hbase.rootdir","hdfs：HadoopMaster:9000/hbase");
configuration.set("hbase.zookeeper.quorum", "HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181");
return configuration;
}
}
2016-12-10 17:32:25,591 INFO [org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper] - Process identifier=hconnection-0x39ce5ac9 connecting to ZooKeeper ensemble=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181
2016-12-10 17:32:25,612 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 GMT
2016-12-10 17:32:25,613 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:host.name=WIN-BQOBV63OBNM
2016-12-10 17:32:25,613 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.version=1.7.0_51
2016-12-10 17:32:25,613 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.vendor=Oracle Corporation
2016-12-10 17:32:25,613 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.home=C:\Program Files\Java\jdk1.7.0_51\jre
2016-12-10 17:32:25,613 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.class.path=D:\Code\MyEclipseJavaCode\HbaseProject\bin;D:\SoftWare\hbase-1.2.3\lib\activation-1.1.jar;D:\SoftWare\hbase-1.2.3\lib\aopalliance-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-i18n-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-kerberos-codec-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\api-asn1-api-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\api-util-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\asm-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\avro-1.7.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-1.7.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-core-1.8.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-cli-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-codec-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\commons-collections-3.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-compress-1.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-configuration-1.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-daemon-1.0.13.jar;D:\SoftWare\hbase-1.2.3\lib\commons-digester-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\commons-el-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-httpclient-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-io-2.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-lang-2.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-logging-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math-2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math3-3.1.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-net-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\disruptor-3.3.0.jar;D:\SoftWare\hbase-1.2.3\lib\findbugs-annotations-1.3.9-1.jar;D:\SoftWare\hbase-1.2.3\lib\guava-12.0.1.jar;D:\SoftWare\hbase-1.2.3\lib\guice-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\guice-servlet-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-annotations-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-auth-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-hdfs-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-app-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-core-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-jobclient-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-shuffle-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-api-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-server-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-client-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-examples-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-external-blockcache-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop2-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-prefix-tree-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-procedure-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-protocol-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-resource-bundle-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-rest-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-shell-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-thrift-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\htrace-core-3.1.0-incubating.jar;D:\SoftWare\hbase-1.2.3\lib\httpclient-4.2.5.jar;D:\SoftWare\hbase-1.2.3\lib\httpcore-4.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-core-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-jaxrs-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-mapper-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-xc-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jamon-runtime-2.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-compiler-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-runtime-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\javax.inject-1.jar;D:\SoftWare\hbase-1.2.3\lib\java-xmlbuilder-0.4.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-api-2.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-impl-2.2.3-1.jar;D:\SoftWare\hbase-1.2.3\lib\jcodings-1.0.8.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-client-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-core-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-guice-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-json-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-server-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jets3t-0.9.0.jar;D:\SoftWare\hbase-1.2.3\lib\jettison-1.3.3.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-sslengine-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-util-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\joni-2.1.2.jar;D:\SoftWare\hbase-1.2.3\lib\jruby-complete-1.6.8.jar;D:\SoftWare\hbase-1.2.3\lib\jsch-0.1.42.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-api-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\junit-4.12.jar;D:\SoftWare\hbase-1.2.3\lib\leveldbjni-all-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\libthrift-0.9.3.jar;D:\SoftWare\hbase-1.2.3\lib\log4j-1.2.17.jar;D:\SoftWare\hbase-1.2.3\lib\metrics-core-2.2.0.jar;D:\SoftWare\hbase-1.2.3\lib\netty-all-4.0.23.Final.jar;D:\SoftWare\hbase-1.2.3\lib\paranamer-2.3.jar;D:\SoftWare\hbase-1.2.3\lib\protobuf-java-2.5.0.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-api-1.7.7.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-log4j12-1.7.5.jar;D:\SoftWare\hbase-1.2.3\lib\snappy-java-1.0.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\spymemcached-2.11.6.jar;D:\SoftWare\hbase-1.2.3\lib\xmlenc-0.52.jar;D:\SoftWare\hbase-1.2.3\lib\xz-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\zookeeper-3.4.6.jar
2016-12-10 17:32:25,615 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.library.path=C:\Program Files\Java\jdk1.7.0_51\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Python27\;C:\Python27\Scripts;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\SoftWare\MATLAB R2013a\runtime\win64;D:\SoftWare\MATLAB R2013a\bin;C:\Program Files (x86)\IDM Computer Solutions\UltraCompare;C:\Program Files\Java\jdk1.7.0_51\bin;C:\Program Files\Java\jdk1.7.0_51\jre\bin;D:\SoftWare\apache-ant-1.9.0\bin;HADOOP_HOME\bin;D:\SoftWare\apache-maven-3.3.9\bin;D:\SoftWare\Scala\bin;D:\SoftWare\Scala\jre\bin;%MYSQL_HOME\bin;D:\SoftWare\MySQL Server\MySQL Server 5.0\bin;D:\SoftWare\apache-tomcat-7.0.69\bin;%C:\Windows\System32;%C:\Windows\SysWOW64;D:\SoftWare\SSH Secure Shell;.
2016-12-10 17:32:25,615 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.io.tmpdir=C:\Users\ADMINI~1\AppData\Local\Temp\
2016-12-10 17:32:25,615 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.compiler=<NA>
2016-12-10 17:32:25,616 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.name=Windows 7
2016-12-10 17:32:25,616 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.arch=amd64
2016-12-10 17:32:25,616 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.version=6.1
2016-12-10 17:32:25,616 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.name=Administrator
2016-12-10 17:32:25,616 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.home=C:\Users\Administrator
2016-12-10 17:32:25,617 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.dir=D:\Code\MyEclipseJavaCode\HbaseProject
2016-12-10 17:32:25,619 INFO [org.apache.zookeeper.ZooKeeper] - Initiating client connection, connectString=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181 sessionTimeout=180000 watcher=hconnection-0x39ce5ac90x0, quorum=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181, baseZNode=/hbase
2016-12-10 17:32:25,701 INFO [org.apache.zookeeper.ClientCnxn] - Opening socket connection to server HadoopMaster/192.168.80.10:2181. Will not attempt to authenticate using SASL (unknown error)
2016-12-10 17:32:25,705 INFO [org.apache.zookeeper.ClientCnxn] - Socket connection established to HadoopMaster/192.168.80.10:2181, initiating session
2016-12-10 17:32:25,762 INFO [org.apache.zookeeper.ClientCnxn] - Session establishment complete on server HadoopMaster/192.168.80.10:2181, sessionid = 0x15825dedcf4002e, negotiated timeout = 40000
org.apache.hadoop.hbase.client.ClientScanner@529d8124
keyvalues={row_1/f1:age/1478119757136/Put/vlen=2/seqid=0, row_1/f1:name/1478119459805/Put/vlen=4/seqid=0}
2016-12-10 17:32:27,091 INFO [org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation] - Closing zookeeper sessionid=0x15825dedcf4002e
2016-12-10 17:32:27,099 INFO [org.apache.zookeeper.ZooKeeper] - Session: 0x15825dedcf4002e closed
2016-12-10 17:32:27,100 INFO [org.apache.zookeeper.ClientCnxn] - EventThread shut down
Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes("3"));
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
System.out.println(next.toString());
}
table.close();
Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes("3"));//包含开始行键
scan.setStopRow(Bytes.toBytes("5"));//不包含结束行键
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
System.out.println(next.toString());
}
table.close();
Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes("1"));//包含开始行键
scan.setStopRow(Bytes.toBytes("5"));//不包含结束行键
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
System.out.println(next.toString());
}
table.close();
Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes("1"));//包含开始行键
scan.setStopRow(Bytes.toBytes("5"));//不包含结束行键
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
for(Cell cell:next.rawCells()){
System.out.println(next.toString());
System.out.println("family:" + Bytes.toString(CellUtil.cloneFamily(cell)));
System.out.println("col:" + Bytes.toString(CellUtil.cloneQualifier(cell)));
System.out.println("value" + Bytes.toString(CellUtil.cloneValue(cell)));
}
}
table.close();
package zhouls.bigdata.HbaseProject.Test1; import javax.xml.transform.Result; import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes; public class HBaseTest {
public static void main(String[] args) throws Exception {
HTable table = new HTable(getConfig(),TableName.valueOf("test_table"));//表名是test_table
// Put put = new Put(Bytes.toBytes("row_04"));//行键是row_04
// put.add(Bytes.toBytes("f"),Bytes.toBytes("name"),Bytes.toBytes("Andy1"));//列簇是f，列修饰符是name，值是Andy0
// put.add(Bytes.toBytes("f2"),Bytes.toBytes("name"),Bytes.toBytes("Andy3"));//列簇是f2，列修饰符是name，值是Andy3
// table.put(put);
// table.close(); // Get get = new Get(Bytes.toBytes("row_04"));
// get.addColumn(Bytes.toBytes("f1"), Bytes.toBytes("age"));如现在这样，不指定，默认把所有的全拿出来
// org.apache.hadoop.hbase.client.Result rest = table.get(get);
// System.out.println(rest.toString());
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_2"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("email"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("name"));
// table.delete(delete);
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_04"));
//// delete.deleteColumn(Bytes.toBytes("f"), Bytes.toBytes("name"));//deleteColumn是删除某一个列簇里的最新时间戳版本。
// delete.deleteColumns(Bytes.toBytes("f"), Bytes.toBytes("name"));//delete.deleteColumns是删除某个列簇里的所有时间戳版本。
// table.delete(delete);
// table.close(); Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes("row_01"));//包含开始行键
scan.setStopRow(Bytes.toBytes("row_03"));//不包含结束行键
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
for(Cell cell:next.rawCells()){
System.out.println(next.toString());
System.out.println("family:" + Bytes.toString(CellUtil.cloneFamily(cell)));
System.out.println("col:" + Bytes.toString(CellUtil.cloneQualifier(cell)));
System.out.println("value" + Bytes.toString(CellUtil.cloneValue(cell)));
}
}
table.close();
} public static Configuration getConfig(){
Configuration configuration = new Configuration();
// conf.set("hbase.rootdir","hdfs：HadoopMaster:9000/hbase");
configuration.set("hbase.zookeeper.quorum", "HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181");
return configuration;
}
}
2016-12-10 17:58:16,226 INFO [org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper] - Process identifier=hconnection-0x7efa391e connecting to ZooKeeper ensemble=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181
2016-12-10 17:58:16,265 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 GMT
2016-12-10 17:58:16,267 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:host.name=WIN-BQOBV63OBNM
2016-12-10 17:58:16,267 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.version=1.7.0_51
2016-12-10 17:58:16,267 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.vendor=Oracle Corporation
2016-12-10 17:58:16,268 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.home=C:\Program Files\Java\jdk1.7.0_51\jre
2016-12-10 17:58:16,268 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.class.path=D:\Code\MyEclipseJavaCode\HbaseProject\bin;D:\SoftWare\hbase-1.2.3\lib\activation-1.1.jar;D:\SoftWare\hbase-1.2.3\lib\aopalliance-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-i18n-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-kerberos-codec-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\api-asn1-api-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\api-util-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\asm-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\avro-1.7.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-1.7.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-core-1.8.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-cli-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-codec-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\commons-collections-3.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-compress-1.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-configuration-1.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-daemon-1.0.13.jar;D:\SoftWare\hbase-1.2.3\lib\commons-digester-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\commons-el-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-httpclient-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-io-2.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-lang-2.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-logging-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math-2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math3-3.1.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-net-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\disruptor-3.3.0.jar;D:\SoftWare\hbase-1.2.3\lib\findbugs-annotations-1.3.9-1.jar;D:\SoftWare\hbase-1.2.3\lib\guava-12.0.1.jar;D:\SoftWare\hbase-1.2.3\lib\guice-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\guice-servlet-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-annotations-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-auth-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-hdfs-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-app-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-core-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-jobclient-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-shuffle-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-api-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-server-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-client-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-examples-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-external-blockcache-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop2-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-prefix-tree-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-procedure-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-protocol-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-resource-bundle-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-rest-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-shell-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-thrift-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\htrace-core-3.1.0-incubating.jar;D:\SoftWare\hbase-1.2.3\lib\httpclient-4.2.5.jar;D:\SoftWare\hbase-1.2.3\lib\httpcore-4.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-core-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-jaxrs-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-mapper-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-xc-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jamon-runtime-2.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-compiler-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-runtime-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\javax.inject-1.jar;D:\SoftWare\hbase-1.2.3\lib\java-xmlbuilder-0.4.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-api-2.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-impl-2.2.3-1.jar;D:\SoftWare\hbase-1.2.3\lib\jcodings-1.0.8.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-client-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-core-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-guice-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-json-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-server-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jets3t-0.9.0.jar;D:\SoftWare\hbase-1.2.3\lib\jettison-1.3.3.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-sslengine-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-util-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\joni-2.1.2.jar;D:\SoftWare\hbase-1.2.3\lib\jruby-complete-1.6.8.jar;D:\SoftWare\hbase-1.2.3\lib\jsch-0.1.42.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-api-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\junit-4.12.jar;D:\SoftWare\hbase-1.2.3\lib\leveldbjni-all-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\libthrift-0.9.3.jar;D:\SoftWare\hbase-1.2.3\lib\log4j-1.2.17.jar;D:\SoftWare\hbase-1.2.3\lib\metrics-core-2.2.0.jar;D:\SoftWare\hbase-1.2.3\lib\netty-all-4.0.23.Final.jar;D:\SoftWare\hbase-1.2.3\lib\paranamer-2.3.jar;D:\SoftWare\hbase-1.2.3\lib\protobuf-java-2.5.0.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-api-1.7.7.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-log4j12-1.7.5.jar;D:\SoftWare\hbase-1.2.3\lib\snappy-java-1.0.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\spymemcached-2.11.6.jar;D:\SoftWare\hbase-1.2.3\lib\xmlenc-0.52.jar;D:\SoftWare\hbase-1.2.3\lib\xz-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\zookeeper-3.4.6.jar
2016-12-10 17:58:16,270 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.library.path=C:\Program Files\Java\jdk1.7.0_51\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Python27\;C:\Python27\Scripts;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\SoftWare\MATLAB R2013a\runtime\win64;D:\SoftWare\MATLAB R2013a\bin;C:\Program Files (x86)\IDM Computer Solutions\UltraCompare;C:\Program Files\Java\jdk1.7.0_51\bin;C:\Program Files\Java\jdk1.7.0_51\jre\bin;D:\SoftWare\apache-ant-1.9.0\bin;HADOOP_HOME\bin;D:\SoftWare\apache-maven-3.3.9\bin;D:\SoftWare\Scala\bin;D:\SoftWare\Scala\jre\bin;%MYSQL_HOME\bin;D:\SoftWare\MySQL Server\MySQL Server 5.0\bin;D:\SoftWare\apache-tomcat-7.0.69\bin;%C:\Windows\System32;%C:\Windows\SysWOW64;D:\SoftWare\SSH Secure Shell;.
2016-12-10 17:58:16,271 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.io.tmpdir=C:\Users\ADMINI~1\AppData\Local\Temp\
2016-12-10 17:58:16,271 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.compiler=<NA>
2016-12-10 17:58:16,271 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.name=Windows 7
2016-12-10 17:58:16,272 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.arch=amd64
2016-12-10 17:58:16,272 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.version=6.1
2016-12-10 17:58:16,272 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.name=Administrator
2016-12-10 17:58:16,273 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.home=C:\Users\Administrator
2016-12-10 17:58:16,273 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.dir=D:\Code\MyEclipseJavaCode\HbaseProject
2016-12-10 17:58:16,278 INFO [org.apache.zookeeper.ZooKeeper] - Initiating client connection, connectString=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181 sessionTimeout=180000 watcher=hconnection-0x7efa391e0x0, quorum=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181, baseZNode=/hbase
2016-12-10 17:58:16,408 INFO [org.apache.zookeeper.ClientCnxn] - Opening socket connection to server HadoopSlave1/192.168.80.11:2181. Will not attempt to authenticate using SASL (unknown error)
2016-12-10 17:58:16,438 INFO [org.apache.zookeeper.ClientCnxn] - Socket connection established to HadoopSlave1/192.168.80.11:2181, initiating session
2016-12-10 17:58:16,474 INFO [org.apache.zookeeper.ClientCnxn] - Session establishment complete on server HadoopSlave1/192.168.80.11:2181, sessionid = 0x2587338ecb40027, negotiated timeout = 40000
org.apache.hadoop.hbase.client.ClientScanner@634be93a
keyvalues={row_01/f:col/1478102698687/Put/vlen=5/seqid=0, row_01/f:name/1478104345828/Put/vlen=4/seqid=0}
family:f
col:col
valuemaizi
keyvalues={row_01/f:col/1478102698687/Put/vlen=5/seqid=0, row_01/f:name/1478104345828/Put/vlen=4/seqid=0}
family:f
col:name
valueAndy
keyvalues={row_02/f:name/1478104477628/Put/vlen=5/seqid=0}
family:f
col:name
valueAndy2
2016-12-10 17:58:17,994 INFO [org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation] - Closing zookeeper sessionid=0x2587338ecb40027
2016-12-10 17:58:18,001 INFO [org.apache.zookeeper.ZooKeeper] - Session: 0x2587338ecb40027 closed
2016-12-10 17:58:18,001 INFO [org.apache.zookeeper.ClientCnxn] - EventThread shut down
代码解释一
Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes("row_01"));//包含开始行键
scan.setStopRow(Bytes.toBytes("row_03"));//不包含结束行键
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
for(Cell cell:next.rawCells()){
System.out.println(next.toString());
System.out.println("family:" + Bytes.toString(CellUtil.cloneFamily(cell)));
System.out.println("col:" + Bytes.toString(CellUtil.cloneQualifier(cell)));
System.out.println("value" + Bytes.toString(CellUtil.cloneValue(cell)));
}
}
table.close();
代码解释二
Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes("row_01"));//包含开始行键
scan.setStopRow(Bytes.toBytes("row_03"));//不包含结束行键
ResultScanner rst = table.getScanner(scan);
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
for(Cell cell:next.rawCells()){
System.out.println(next.toString());
System.out.println("family:" + Bytes.toString(CellUtil.cloneFamily(cell)));
System.out.println("col:" + Bytes.toString(CellUtil.cloneQualifier(cell)));
System.out.println("value" + Bytes.toString(CellUtil.cloneValue(cell)));
}
}
table.close();
package zhouls.bigdata.HbaseProject.Test1; import javax.xml.transform.Result; import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes; public class HBaseTest {
public static void main(String[] args) throws Exception {
HTable table = new HTable(getConfig(),TableName.valueOf("test_table"));//表名是test_table
// Put put = new Put(Bytes.toBytes("row_04"));//行键是row_04
// put.add(Bytes.toBytes("f"),Bytes.toBytes("name"),Bytes.toBytes("Andy1"));//列簇是f，列修饰符是name，值是Andy0
// put.add(Bytes.toBytes("f2"),Bytes.toBytes("name"),Bytes.toBytes("Andy3"));//列簇是f2，列修饰符是name，值是Andy3
// table.put(put);
// table.close(); // Get get = new Get(Bytes.toBytes("row_04"));
// get.addColumn(Bytes.toBytes("f1"), Bytes.toBytes("age"));如现在这样，不指定，默认把所有的全拿出来
// org.apache.hadoop.hbase.client.Result rest = table.get(get);
// System.out.println(rest.toString());
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_2"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("email"));
// delete.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("name"));
// table.delete(delete);
// table.close(); // Delete delete = new Delete(Bytes.toBytes("row_04"));
//// delete.deleteColumn(Bytes.toBytes("f"), Bytes.toBytes("name"));//deleteColumn是删除某一个列簇里的最新时间戳版本。
// delete.deleteColumns(Bytes.toBytes("f"), Bytes.toBytes("name"));//delete.deleteColumns是删除某个列簇里的所有时间戳版本。
// table.delete(delete);
// table.close(); Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes("row_01"));//包含开始行键
scan.setStopRow(Bytes.toBytes("row_03"));//不包含结束行键
scan.addColumn(Bytes.toBytes("f"), Bytes.toBytes("name"));
ResultScanner rst = table.getScanner(scan);//整个循环
System.out.println(rst.toString());
for (org.apache.hadoop.hbase.client.Result next = rst.next();next !=null;next = rst.next() ){
for(Cell cell:next.rawCells()){//某个row key下的循坏
System.out.println(next.toString());
System.out.println("family:" + Bytes.toString(CellUtil.cloneFamily(cell)));
System.out.println("col:" + Bytes.toString(CellUtil.cloneQualifier(cell)));
System.out.println("value" + Bytes.toString(CellUtil.cloneValue(cell)));
}
}
table.close();
} public static Configuration getConfig(){
Configuration configuration = new Configuration();
// conf.set("hbase.rootdir","hdfs：HadoopMaster:9000/hbase");
configuration.set("hbase.zookeeper.quorum", "HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181");
return configuration;
}
}
2016-12-10 18:09:00,581 INFO [org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper] - Process identifier=hconnection-0xbe4535e connecting to ZooKeeper ensemble=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181
2016-12-10 18:09:00,600 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 GMT
2016-12-10 18:09:00,601 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:host.name=WIN-BQOBV63OBNM
2016-12-10 18:09:00,601 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.version=1.7.0_51
2016-12-10 18:09:00,601 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.vendor=Oracle Corporation
2016-12-10 18:09:00,601 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.home=C:\Program Files\Java\jdk1.7.0_51\jre
2016-12-10 18:09:00,601 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.class.path=D:\Code\MyEclipseJavaCode\HbaseProject\bin;D:\SoftWare\hbase-1.2.3\lib\activation-1.1.jar;D:\SoftWare\hbase-1.2.3\lib\aopalliance-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-i18n-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\apacheds-kerberos-codec-2.0.0-M15.jar;D:\SoftWare\hbase-1.2.3\lib\api-asn1-api-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\api-util-1.0.0-M20.jar;D:\SoftWare\hbase-1.2.3\lib\asm-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\avro-1.7.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-1.7.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-beanutils-core-1.8.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-cli-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-codec-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\commons-collections-3.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-compress-1.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-configuration-1.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-daemon-1.0.13.jar;D:\SoftWare\hbase-1.2.3\lib\commons-digester-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\commons-el-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\commons-httpclient-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-io-2.4.jar;D:\SoftWare\hbase-1.2.3\lib\commons-lang-2.6.jar;D:\SoftWare\hbase-1.2.3\lib\commons-logging-1.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math-2.2.jar;D:\SoftWare\hbase-1.2.3\lib\commons-math3-3.1.1.jar;D:\SoftWare\hbase-1.2.3\lib\commons-net-3.1.jar;D:\SoftWare\hbase-1.2.3\lib\disruptor-3.3.0.jar;D:\SoftWare\hbase-1.2.3\lib\findbugs-annotations-1.3.9-1.jar;D:\SoftWare\hbase-1.2.3\lib\guava-12.0.1.jar;D:\SoftWare\hbase-1.2.3\lib\guice-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\guice-servlet-3.0.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-annotations-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-auth-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-hdfs-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-app-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-core-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-jobclient-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-mapreduce-client-shuffle-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-api-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-client-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hadoop-yarn-server-common-2.5.1.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-annotations-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-client-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-common-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-examples-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-external-blockcache-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop2-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-hadoop-compat-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-it-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-prefix-tree-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-procedure-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-protocol-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-resource-bundle-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-rest-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-server-1.2.3-tests.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-shell-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\hbase-thrift-1.2.3.jar;D:\SoftWare\hbase-1.2.3\lib\htrace-core-3.1.0-incubating.jar;D:\SoftWare\hbase-1.2.3\lib\httpclient-4.2.5.jar;D:\SoftWare\hbase-1.2.3\lib\httpcore-4.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-core-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-jaxrs-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-mapper-asl-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jackson-xc-1.9.13.jar;D:\SoftWare\hbase-1.2.3\lib\jamon-runtime-2.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-compiler-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\jasper-runtime-5.5.23.jar;D:\SoftWare\hbase-1.2.3\lib\javax.inject-1.jar;D:\SoftWare\hbase-1.2.3\lib\java-xmlbuilder-0.4.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-api-2.2.2.jar;D:\SoftWare\hbase-1.2.3\lib\jaxb-impl-2.2.3-1.jar;D:\SoftWare\hbase-1.2.3\lib\jcodings-1.0.8.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-client-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-core-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-guice-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-json-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jersey-server-1.9.jar;D:\SoftWare\hbase-1.2.3\lib\jets3t-0.9.0.jar;D:\SoftWare\hbase-1.2.3\lib\jettison-1.3.3.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-sslengine-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\jetty-util-6.1.26.jar;D:\SoftWare\hbase-1.2.3\lib\joni-2.1.2.jar;D:\SoftWare\hbase-1.2.3\lib\jruby-complete-1.6.8.jar;D:\SoftWare\hbase-1.2.3\lib\jsch-0.1.42.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\jsp-api-2.1-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\junit-4.12.jar;D:\SoftWare\hbase-1.2.3\lib\leveldbjni-all-1.8.jar;D:\SoftWare\hbase-1.2.3\lib\libthrift-0.9.3.jar;D:\SoftWare\hbase-1.2.3\lib\log4j-1.2.17.jar;D:\SoftWare\hbase-1.2.3\lib\metrics-core-2.2.0.jar;D:\SoftWare\hbase-1.2.3\lib\netty-all-4.0.23.Final.jar;D:\SoftWare\hbase-1.2.3\lib\paranamer-2.3.jar;D:\SoftWare\hbase-1.2.3\lib\protobuf-java-2.5.0.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5.jar;D:\SoftWare\hbase-1.2.3\lib\servlet-api-2.5-6.1.14.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-api-1.7.7.jar;D:\SoftWare\hbase-1.2.3\lib\slf4j-log4j12-1.7.5.jar;D:\SoftWare\hbase-1.2.3\lib\snappy-java-1.0.4.1.jar;D:\SoftWare\hbase-1.2.3\lib\spymemcached-2.11.6.jar;D:\SoftWare\hbase-1.2.3\lib\xmlenc-0.52.jar;D:\SoftWare\hbase-1.2.3\lib\xz-1.0.jar;D:\SoftWare\hbase-1.2.3\lib\zookeeper-3.4.6.jar
2016-12-10 18:09:00,603 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.library.path=C:\Program Files\Java\jdk1.7.0_51\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Python27\;C:\Python27\Scripts;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\SoftWare\MATLAB R2013a\runtime\win64;D:\SoftWare\MATLAB R2013a\bin;C:\Program Files (x86)\IDM Computer Solutions\UltraCompare;C:\Program Files\Java\jdk1.7.0_51\bin;C:\Program Files\Java\jdk1.7.0_51\jre\bin;D:\SoftWare\apache-ant-1.9.0\bin;HADOOP_HOME\bin;D:\SoftWare\apache-maven-3.3.9\bin;D:\SoftWare\Scala\bin;D:\SoftWare\Scala\jre\bin;%MYSQL_HOME\bin;D:\SoftWare\MySQL Server\MySQL Server 5.0\bin;D:\SoftWare\apache-tomcat-7.0.69\bin;%C:\Windows\System32;%C:\Windows\SysWOW64;D:\SoftWare\SSH Secure Shell;.
2016-12-10 18:09:00,603 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.io.tmpdir=C:\Users\ADMINI~1\AppData\Local\Temp\
2016-12-10 18:09:00,604 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:java.compiler=<NA>
2016-12-10 18:09:00,604 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.name=Windows 7
2016-12-10 18:09:00,604 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.arch=amd64
2016-12-10 18:09:00,604 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:os.version=6.1
2016-12-10 18:09:00,605 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.name=Administrator
2016-12-10 18:09:00,605 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.home=C:\Users\Administrator
2016-12-10 18:09:00,605 INFO [org.apache.zookeeper.ZooKeeper] - Client environment:user.dir=D:\Code\MyEclipseJavaCode\HbaseProject
2016-12-10 18:09:00,609 INFO [org.apache.zookeeper.ZooKeeper] - Initiating client connection, connectString=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181 sessionTimeout=180000 watcher=hconnection-0xbe4535e0x0, quorum=HadoopMaster:2181,HadoopSlave1:2181,HadoopSlave2:2181, baseZNode=/hbase
2016-12-10 18:09:00,717 INFO [org.apache.zookeeper.ClientCnxn] - Opening socket connection to server HadoopMaster/192.168.80.10:2181. Will not attempt to authenticate using SASL (unknown error)
2016-12-10 18:09:00,729 INFO [org.apache.zookeeper.ClientCnxn] - Socket connection established to HadoopMaster/192.168.80.10:2181, initiating session
2016-12-10 18:09:01,013 INFO [org.apache.zookeeper.ClientCnxn] - Session establishment complete on server HadoopMaster/192.168.80.10:2181, sessionid = 0x15825dedcf40031, negotiated timeout = 40000
org.apache.hadoop.hbase.client.ClientScanner@12f8288e
keyvalues={row_01/f:name/1478104345828/Put/vlen=4/seqid=0}
family:f
col:name
valueAndy
keyvalues={row_02/f:name/1478104477628/Put/vlen=5/seqid=0}
family:f
col:name
valueAndy2
2016-12-10 18:09:02,563 INFO [org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation] - Closing zookeeper sessionid=0x15825dedcf40031
2016-12-10 18:09:03,395 INFO [org.apache.zookeeper.ZooKeeper] - Session: 0x15825dedcf40031 closed
2016-12-10 18:09:03,419 INFO [org.apache.zookeeper.ClientCnxn] - EventThread shut down
HBase编程 API入门系列之scan（客户端而言）（5）的更多相关文章
- HBase编程 API入门系列之delete（客户端而言）（3）
心得,写在前面的话,也许,中间会要多次执行,连接超时,多试试就好了. 前面的基础,如下 HBase编程 API入门系列之put(客户端而言)(1) HBase编程 API入门系列之get(客户端而言) ...
- HBase编程 API入门系列之get（客户端而言）（2）
心得,写在前面的话,也许,中间会要多次执行,连接超时,多试试就好了. 前面是基础,如下 HBase编程 API入门系列之put(客户端而言)(1) package zhouls.bigdata.Hba ...
- HBase编程 API入门系列之create（管理端而言）（8）
大家,若是看过我前期的这篇博客的话,则 HBase编程 API入门系列之put(客户端而言)(1) 就知道,在这篇博文里,我是在HBase Shell里创建HBase表的. 这里,我带领大家,学习更高 ...
- HBase编程 API入门系列之HTable pool（6）
HTable是一个比较重的对此,比如加载配置文件,连接ZK,查询meta表等等,高并发的时候影响系统的性能,因此引入了“池”的概念. 引入“HBase里的连接池”的目的是: 为了更高的,提高程序的并发 ...
- HBase编程 API入门系列之delete（管理端而言）（9）
大家,若是看过我前期的这篇博客的话,则 HBase编程 API入门之delete(客户端而言) 就知道,在这篇博文里,我是在客户端里删除HBase表的. 这里,我带领大家,学习更高级的,因为,在开发中 ...
- HBase编程 API入门系列之工具Bytes类（7）
这是从程度开发层面来说,为了方便和提高开发人员. 这个工具Bytes类,有很多很多方法,帮助我们HBase编程开发人员,提高开发. 这里,我只赘述,很常用的! package zhouls.bigda ...
- HBase编程 API入门系列之put（客户端而言）（1）
心得,写在前面的话,也许,中间会要多次执行,连接超时,多试试就好了. [hadoop@HadoopSlave1 conf]$ cat regionservers HadoopMasterHadoopS ...
- HBase编程 API入门系列之delete.deleteColumn和delete.deleteColumns区别（客户端而言）（4）
心得,写在前面的话,也许,中间会要多次执行,连接超时,多试试就好了. delete.deleteColumn和delete.deleteColumns区别是: deleteColumn是删除某一个列簇 ...
- HBase编程 API入门系列之modify（管理端而言）（10）
这里,我带领大家,学习更高级的,因为,在开发中,尽量不能去服务器上修改表. 所以,在管理端来修改HBase表.采用线程池的方式(也是生产开发里首推的) package zhouls.bigdata.H ...
随机推荐
- 获取 PHPstorm编辑器 注册码地址
网址: http://idea.lanyus.com/ 注册码有效期为2016年11月24日至2017年11月23日使用前请将“0.0.0.0 account.jetbrains.com”添加到hos ...
- 使用Reporting Services时遇到的小问题
同事忙不开了交过来的一个小问题,以前我也没有做过Reporting Services相关的. 大概看了一下,是数据集那边的查询代码接收不到报表参数,而且不是单纯地接收不到,具体情况如下.. 命令类型是 ...
- 读书笔记「Python编程：从入门到实践」_5.if语句
5.1 一个简单示例 cars = ['audi', 'bmw', 'subaru', 'toyota'] for car in cars: if car == 'bmw': print(car.up ...
- 图的BFS
目录: 一.算法的基本思路 二.算法过程 三.题目:785判断是否为二分图 https://blog.csdn.net/weixin_40953222/article/details/80544928 ...
- eas之获取当前登陆信息
public void getSystemInfo() { // SysContext工具类可获取当前登陆用户的信息,可根据需要进行调用. // 举两例如下: ...
- [系统资源]/proc/meminfo和free输出解释
High Level statistics RHEL 5, RHEL 6 and RHEL 7 MemTotal: Total usable memory MemFree: The amount of ...
- TeX中的引号（Tex Quotes, UVa 272）
在TeX中,左双引号是“``”,右双引号是“''”.输入一篇包含双引号的文章,你的任务是 把它转换成TeX的格式. 样例输入: "To be or not to be," quot ...
- [SDFZOJ]1069:树上统计
神题...std丑的不行. 我们可以发现i->i+1的边被覆盖过i×(n-i)次. 因为以1->i为左端点,以i+1->n的为右端点,i->i+1都将被覆盖这么多次. 然后从1 ...
- 配置zabbix及安装agent
一.配置zabbix http://ip/zabbix/setup.php Next step Next step 输入数据库密码后,Next step Next step 默认用户名是Admin 密 ...
- Zookeeper-单机/集群安装
简介 Zookeeper是一个高效的分布式协调服务,可以提供配置信息管理.命名.分布式同步.集群管理.数据库切换等服务.它不适合用来存储大量信息,可以用来存储一些配置.发布与订阅等少量信息.Hadoo ...