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From "Brandon Scheller (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-13734) Add Heapsize variables for HDFS daemons
Date Thu, 12 Jul 2018 22:23:00 GMT
Brandon Scheller created HDFS-13734:

             Summary: Add Heapsize variables for HDFS daemons
                 Key: HDFS-13734
                 URL: https://issues.apache.org/jira/browse/HDFS-13734
             Project: Hadoop HDFS
          Issue Type: New Feature
          Components: datanode, journal-node, namenode
    Affects Versions: 3.0.3
            Reporter: Brandon Scheller

Currently there are no variables to set HDFS daemon heapsize differently. While still possible
through adding the -Xmx to HDFS_*DAEMON*_OPTS, this is not intuitive for this relatively common

YARN currently has these separate YARN_*DAEMON*_HEAPSIZE variables supported so it seems natural
for HDFS too.

It also looks like HDFS use to have this for namenode with HADOOP_NAMENODE_INIT_HEAPSIZE

This JIRA is to have these configurations added/supported

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