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@@ -53,6 +53,10 @@ export HADOOP_DATANODE_OPTS="-Dhadoop.security.logger=ERROR,RFAS $HADOOP_DATANOD
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export HADOOP_SECONDARYNAMENODE_OPTS="-Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,RFAS} -Dhdfs.audit.logger=INFO,RFAAUDIT $HADOOP_SECONDARYNAMENODE_OPTS"
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+# The ZKFC does not need a large heap, and keeping it small avoids
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+# any potential for long GC pauses
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+export HADOOP_ZKFC_OPTS="-Xmx256m $HADOOP_ZKFC_OPTS"
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+
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# The following applies to multiple commands (fs, dfs, fsck, distcp etc)
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export HADOOP_CLIENT_OPTS="-Xmx128m $HADOOP_CLIENT_OPTS"
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#HADOOP_JAVA_PLATFORM_OPTS="-XX:-UsePerfData $HADOOP_JAVA_PLATFORM_OPTS"
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Eli Collins