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Date: Fri, 26 Sep 2014 15:54:34 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12736107.1408728631000.131979.1411746874773@Atlassian.JIRA>
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Subject: [jira] [Commented] (HBASE-11804) Raise default heap size if
 unspecified
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    [ https://issues.apache.org/jira/browse/HBASE-11804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149576#comment-14149576 ] 

stack commented on HBASE-11804:
-------------------------------

We ok with the fact that each time the JVM grows the heap, which it will do since we do not specify ms == mx,  it is gong to FullGC?  (A FullGC of small heaps shouldn't take too long?).  I'd be fine w/ this change if refguide configs section talks up setting this.  Needs fat release note.  +1.

> Raise default heap size if unspecified
> --------------------------------------
>
>                 Key: HBASE-11804
>                 URL: https://issues.apache.org/jira/browse/HBASE-11804
>             Project: HBase
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 2.0.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>         Attachments: 0001-HBASE-11804-Raise-default-heap-size-if-unspecified.patch
>
>
> On master running pe randomWrite with ten threads and the default heap size crashes the system.  This works on 0.98 and before.
> It's been a long time that 1000mb has been our default. Maybe we should start looking at raising that limit on master.


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