hbase 集群管理脚本

#!/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 "+------------------------------+----------+---------------

-----+\n"

printf "|%-30s|%-10s|%-20s|\n" " HOST" " PID" " PROCESS"

printf "+------------------------------+----------+---------------

-----+\n"

process_count=0

rs_count=0

for rs in `cat $HBASE_HOME/conf/regionservers`

do

i=1

for process in `ssh $rs "$JAVA_HOME/bin/jps" | grep -v Jps`

do

process_parts=(${process/ /$'\n'})

pid=${process_parts[0]}

pname=${process_parts[1]}

if [ $i -eq 1 ]; then

host="$rs"

else

host=" "

fi

printf "|%-30s|%-10s|%-20s|\n" " $host" " $pid" " $pname"

i=`expr $i + 1`

process_count=`expr $process_count + 1`

done

rs_count=`expr $rs_count + 1`

printf "+------------------------------+----------+-----------

---------+\n"

done

echo -e "$process_count running Java processes on $rs_count region

servers.\n"