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HDDS-1503. Reduce garbage generated by non-netty threads in datanode ratis server (#813)

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Lokesh Jain 2019-05-14 14:49:50 +05:30 committed by GitHub
parent 02c9efcb81
commit 6bcc1dce52
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1 changed files with 5 additions and 1 deletions
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6
hadoop-ozone/common/src/main/bin/ozone
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@ -90,7 +90,11 @@ function ozonecmd_case
;;
datanode)
HADOOP_SUBCMD_SUPPORTDAEMONIZATION="true"
HDDS_DN_OPTS="${HDDS_DN_OPTS} -Dlog4j.configurationFile=${HADOOP_CONF_DIR}/dn-audit-log4j2.properties"
# Add JVM parameter (org.apache.ratis.thirdparty.io.netty.allocator.useCacheForAllThreads=false)
# for disabling netty PooledByteBufAllocator thread caches for non-netty threads.
# This parameter significantly reduces GC pressure for Datanode.
# Corresponding Ratis issue https://issues.apache.org/jira/browse/RATIS-534.
HDDS_DN_OPTS="${HDDS_DN_OPTS} -Dlog4j.configurationFile=${HADOOP_CONF_DIR}/dn-audit-log4j2.properties -Dorg.apache.ratis.thirdparty.io.netty.allocator.useCacheForAllThreads=false"
HADOOP_OPTS="${HADOOP_OPTS} ${HDDS_DN_OPTS}"
HADOOP_CLASSNAME=org.apache.hadoop.ozone.HddsDatanodeService
OZONE_RUN_ARTIFACT_NAME="hadoop-ozone-datanode"