Author: eli
Date: Fri May 11 16:45:59 2012
New Revision: 1337276
URL: http://svn.apache.org/viewvc?rev=1337276&view=rev
Log:
HADOOP-8276. Auto-HA: add config for java options to pass to zkfc daemon.
Contributed by Todd Lipcon
Modified:
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/CHANGES.HDFS-3042.txt
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/src/main/packages/templates/conf/hadoop-env.sh
Modified:
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/CHANGES.HDFS-3042.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/CHANGES.HDFS-3042.txt?rev=1337276&r1=1337275&r2=1337276&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/CHANGES.HDFS-3042.txt
(original)
+++
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/CHANGES.HDFS-3042.txt
Fri May 11 16:45:59 2012
@@ -23,3 +23,5 @@ HADOOP-8247. Add a config to enable auto
HADOOP-8306. ZKFC: improve error message when ZK is not running. (todd)
HADOOP-8279. Allow manual failover to be invoked when auto-failover is
enabled. (todd)
+
+HADOOP-8276. Auto-HA: add config for java options to pass to zkfc daemon (todd
via eli)
Modified:
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/src/main/packages/templates/conf/hadoop-env.sh
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/src/main/packages/templates/conf/hadoop-env.sh?rev=1337276&r1=1337275&r2=1337276&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/src/main/packages/templates/conf/hadoop-env.sh
(original)
+++
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/src/main/packages/templates/conf/hadoop-env.sh
Fri May 11 16:45:59 2012
@@ -53,6 +53,10 @@ export HADOOP_DATANODE_OPTS="-Dhadoop.se
export
HADOOP_SECONDARYNAMENODE_OPTS="-Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,RFAS}
-Dhdfs.audit.logger=INFO,RFAAUDIT $HADOOP_SECONDARYNAMENODE_OPTS"
+# The ZKFC does not need a large heap, and keeping it small avoids
+# any potential for long GC pauses
+export HADOOP_ZKFC_OPTS="-Xmx256m $HADOOP_ZKFC_OPTS"
+
# The following applies to multiple commands (fs, dfs, fsck, distcp etc)
export HADOOP_CLIENT_OPTS="-Xmx128m $HADOOP_CLIENT_OPTS"
#HADOOP_JAVA_PLATFORM_OPTS="-XX:-UsePerfData $HADOOP_JAVA_PLATFORM_OPTS"
