Hi,
>From past one week multiple regionservers are getting killed due to GC pause >and zookeeper timeouts exceptions. We are trying to tune GC values with different HBASE_OPTS, but no luck. Following is our regionserver configuration: * Hardware: 24GB RAM with 8 Cores * hbase-env.sh configuration: export HBASE_STOP_TIMEOUT="180" export HBASE_OPTS="$HBASE_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70 -Xmn256m -XX:+UseCMSInitiatingOccupancyOnly" export HBASE_OPTS="$HBASE_OPTS -XX:MaxNewSize=128m -XX:NewSize=128m" export HBASE_REGIONSERVER_OPTS="-Xmx5g -Xms5g" export HBASE_OPTS="$HBASE_OPTS -XX:MaxDirectMemorySize=5g" export HBASE_MANAGES_ZK=false * export HBASE_HEAPSIZE=4096 * zookeeper tickTime=2000 Can any one please help us to resolve this issue. Thanks, Sandeep. ________________________________ From: Sandeep Reddy <[email protected]> Sent: Tuesday, December 13, 2016 11:52:33 AM To: [email protected] Subject: RegionSevevers repeatedly getting killed with GC Pause and Zookeeper timeout Hi, >From past one week multiple regionservers are getting killed due to GC pause >and zookeeper timeouts exceptions. We are trying to tune GC values with different HBASE_OPTS, but no luck. Following is our regionserver configuration: * Hardware: 24GB RAM with 8 Cores * hbase-env.sh configuration: export HBASE_STOP_TIMEOUT="180" export HBASE_OPTS="$HBASE_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70 -Xmn256m -XX:+UseCMSInitiatingOccupancyOnly" export HBASE_OPTS="$HBASE_OPTS -XX:MaxNewSize=128m -XX:NewSize=128m" export HBASE_REGIONSERVER_OPTS="-Xmx5g -Xms5g" export HBASE_OPTS="$HBASE_OPTS -XX:MaxDirectMemorySize=5g" export HBASE_MANAGES_ZK=falseexport HBASE_HEAPSIZE=4096 * zookeeper tickTime=2000 Thanks, Sandeep.
