安装hadoop启动之后总有警告:Unable to load native-hadoop library for your platform... using builtin-Javaclasses where applicable 原因:Apache提供的hadoop本地库是32位的,而在64位的服务器上就会有问题,因此需要自己编译64位的版本. 解决方法: 一. 去网站:http://dl.bintray.com/sequenceiq/sequenceiq-bin/ 下载对应的编译版本,…
和Hadoop交互的四种方法: 1. Native Libraries 2. Hive 3. Pig 4. Cascading At a high level, people use the native Hadoop libraries to achieve the greatest performance and have the most fine-grained control. Pig is somewhere between the very SQL-like, database l…
概览 这个新手教程描写叙述了native(本地?原生?)hadoop库,包括了一小部分关于native hadoop共享库的讨论. This guide describes the native hadoop library and includes a small discussion about native shared libraries. 注意: 依据你的环境,词组 "native libraries" 可能会变成 *.so,这样你就须要编译.然后,要是词组 "na…
执行 bin/hdfs dfs -mkdir /user,创建目录时出现警告信息. WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 我这里用的是hadoop 2.6.4. 下载hadoop-native-64-2.6.0.tar: http://dl.bintray.com/sequen…
JNI Tips In this document JavaVM and JNIEnv Threads jclass, jmethodID, and jfieldID Local and Global References UTF-8 and UTF-16 Strings Primitive Arrays Region Calls Exceptions Extended Checking Native Libraries 64-bit Considerations Unsupported Fea…
myeclispe 中SVN插件常遇到的异常: Subclipse talks to Subversion via a Java API that requires access to native libraries.Those libraries where either not found or an incompatible version was loaded. Theerrors are displayed below. Information on getting a proper…
HDFS(Hadoop Distributed File System )Hadoop分布式文件系统. HDFS有很多特点: ① 保存多个副本,且提供容错机制,副本丢失或宕机自动恢复.默认存3份. ② 运行在廉价的机器上. ③ 适合大数据的处理.多大?多小?HDFS默认会将文件分割成block,64M为1个block.然后将block按键值对存储在HDFS上,并将键值对的映射存到内存中.如果小文件太多,那内存的负担会很重. 如上图所示,HDFS也是按照Master和Slave的结构.分NameN…
转自:http://bbs.umeng.com/thread-6552-1-2.html 报错信息:The library `SocialSDK_QQZone_2.jar` contains native libraries that will not run on the device. 解决方案: 此问题和Eclipse环境有关,按照如下步骤操作即可Eclipse->windows->Perferences (不一定这个,自己对着图找), 取消 Force error when exter…
[2013-08-29 16:56:58 - jarsotest] The library 'wnp.jar' contains native libraries that will not run on the device. [2013-08-29 16:56:58 - jarsotest] The following libraries were found: [2013-08-29 16:56:58 - jarsotest] - bin/classes/jni/wnptest/wnpj…
机架感知脚本 使用python3编写机架感知脚本,报存到topology.py,给予执行权限 import sys import os DEFAULT_RACK="/default-rack" HADOOP_CONF_DIR = os.environ['HADOOP_CONF_DIR'] FILE="topology.data" host_rack={} for line in open(os.path.join(HADOOP_CONF_DIR, FILE)): (…
log信息: 03-27 09:08:25.887 397 400 W linker : /data/app/com.guagua.qiqi-1/lib/arm/libMedia.so has text relocations. This is wasting memory and prevents security hardening. Please fix.03-27 09:08:26.807 397 400 W linker : /data/app/com.guagua…
[ERROR] class file for org.mortbay.component.AbstractLifeCycle not found 错误堆栈如下: [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] /home/hduser/code/hadoop--src/hadoop-common-project/hadoop-auth…
来自:http://hadoopi.wordpress.com/2014/06/05/hadoop-add-third-party-libraries-to-mapreduce-job/ Anybody working with Hadoop should have already faced a same common issue: How to add third-party libraries to your MapReduce job. Add libjars option The fi…
