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Posted to common-issues@hadoop.apache.org by "Harsh J (JIRA)" <ji...@apache.org> on 2013/01/15 06:20:13 UTC
[jira] [Commented] (HADOOP-9211) HADOOP_CLIENT_OPTS default setting
fixes max heap size at 128m, disregards HADOOP_HEAPSIZE
[ https://issues.apache.org/jira/browse/HADOOP-9211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13553496#comment-13553496 ]
Harsh J commented on HADOOP-9211:
---------------------------------
Compared to past, the HADOOP_HEAPSIZE is only for services, going forward. The HADOOP_CLIENT_OPTS therefore applies to clients alone and is the config point for client-side heap.
If an easier, numeric setting is needed for clients, we can perhaps have HADOOP_CLIENT_HEAPSIZE, but HADOOP_HEAPSIZE should not generally apply to clients given the newer HADOOP_CLIENT_OPTS.
> HADOOP_CLIENT_OPTS default setting fixes max heap size at 128m, disregards HADOOP_HEAPSIZE
> ------------------------------------------------------------------------------------------
>
> Key: HADOOP-9211
> URL: https://issues.apache.org/jira/browse/HADOOP-9211
> Project: Hadoop Common
> Issue Type: Bug
> Components: conf
> Affects Versions: 2.0.2-alpha
> Reporter: Sarah Weissman
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> hadoop-env.sh as included in the 2.0.2alpha release tarball contains:
> export HADOOP_CLIENT_OPTS="-Xmx128m $HADOOP_CLIENT_OPTS"
> This overrides any heap settings in HADOOP_HEAPSIZE.
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