HBase shell commands As told in HBase introduction, HBase provides Extensible jruby-based (JIRB) shell as a feature to execute some commands(each command represents one functionality). HBase shell commands are mainly categorized into 6 parts 1) Gener
, start hdfs [hadoop@alamps sbin]$ ./start-all.sh This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh Starting namenodes on [alamps] alamps: starting namenode, logging to /home/hadoop/app/hadoop-/logs/hadoop-hadoop-namenode-alamps.o
一.Region 概念 Region是表获取和分布的基本元素,由每个列族的一个Store组成.对象层级图如下: Table (HBase table) Region (Regions for the table) Store (Store per ColumnFamily for each Region for the table) MemStore (MemStore for each Store for each Region for the table) StoreFile (StoreF
HBase之五:hbase的region分区 https://www.cnblogs.com/duanxz/p/3154487.html 一.Region 概念 Region是表获取和分布的基本元素,由每个列族的一个Store组成.对象层级图如下: Table (HBase table) Region (Regions for the table) Store (Store per ColumnFamily for each Region for the table) MemStore (Mem
一.Region 概念 Region是表获取和分布的基本元素,由每个列族的一个Store组成.对象层级图如下: Table (HBase table) Region (Regions for the table) Store (Store per ColumnFamily for each Region for the table) MemStore (MemStore for each Store for each Region for the table) StoreFile (StoreF
#!/bin/bash # Sync HBASE_HOME across the cluster. Must run on master using HBase owner user. HBASE_HOME=/usr/local/hbase/current for rs in `cat $HBASE_HOME/conf/regionservers` do echo "Deploying HBase to $rs:" rsync -avz --delete --exclude=logs
#!/bin/bash # Show all running Java processes on region servers. Must run on master using HBase owner user. JAVA_HOME=/usr/local/jdk1.6 HBASE_HOME=/usr/local/hbase/current IFS=$'\n' printf "+------------------------------+----------+--------------- -
Ganglia是一个监控服务器,集群的开源软件,能够用曲线图表现最近一个小时,最近一天,最近一周,最近一月,最近一年的服务器或者集群的cpu负载,内存,网络,硬盘等指标. Ganglia的强大在于:ganglia服务端能够通过一台客户端收集到同一个网段的所有客户端的数据,ganglia集群服务端能够通过一台服务端收集到它下属的所有客户端数据.这个体系设计表示一台服务器能够通过不同的分层能够管理上万台机器.这个功能是其他mrtg,nagios,cacti所不能比拟的. Ganglia是UC Ber