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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