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"