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PROBLEM: Enable GC logging for Zookeeper SOLUTION: When Using Ambari web UI: 1. Click on the Zookeeper Service 2. Click on Configs tab 3. Navigate to 'Advanced Zookeeper-env'

4. Locate the setting 'zookeeper-env template'

5. Append the following to 'export SERVER_JVMFLAGS=-Xmx1024m' :
-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:$ZOO_LOG_DIR/zookeeper.gc.`date +'%Y%m%d%H%M'`"
To be precise it should look like :
export SERVER_JVMFLAGS="-Xmx1024m -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:$ZOOKEEPER_LOG_DIR/zookeeper.gc.`date +'%Y%m%d%H%M'`"
6. Save the changes and restart the Zookeeper service when prompted When the cluster is managed outside Ambari: 1. On application cluster node open zookeeper-env.sh

2. Append the above mentioned parameter to SERVER_JVMFLAGS values. You can find the zookeeper-env.sh at /etc/zookeeper/conf/

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Last update:
‎03-24-2017 05:51 PM
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