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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-11804) Raise default heap size if unspecified
Date Fri, 26 Sep 2014 02:43:34 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Elliott Clark updated HBASE-11804:
----------------------------------
    Attachment: 0001-HBASE-11804-Raise-default-heap-size-if-unspecified.patch

Later versions of the JDK choose a pretty good jvm size by default.  Let's use this if the
default size isn't set.

{code}
19:36:58 elliott@elliott-mbp hbase master ? java -XX:+PrintFlagsFinal -version 2>&1
| grep MaxHeapSize
    uintx MaxHeapSize                              := 4294967296      {product}
{code}

> 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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