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Posted to hdfs-dev@hadoop.apache.org by "Brandon Scheller (JIRA)" <ji...@apache.org> on 2018/07/12 22:23:00 UTC

[jira] [Created] (HDFS-13734) Add Heapsize variables for HDFS daemons

Brandon Scheller created HDFS-13734:
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             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 setting.

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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