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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1646) [hbase] RegionServer OOME's under sustained, substantial loading by 10 concurrent clients
Date Thu, 26 Jul 2007 21:22:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12515874
] 

Hadoop QA commented on HADOOP-1646:
-----------------------------------

+1

http://issues.apache.org/jira/secure/attachment/12362639/oome.patch applied and successfully
tested against trunk revision r559886.

Test results:   http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/475/testReport/
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/475/console

> [hbase] RegionServer OOME's under sustained, substantial loading by 10 concurrent clients
> -----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1646
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1646
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: stack
>            Assignee: stack
>            Priority: Minor
>         Attachments: oome.patch
>
>
> Have been running ten concurrent clients uploading wikipedia to hbase.  Each update includes
some metadata -- URL, mimetype -- and the page content.  Caching updates across compactions
and splits, we OOME (Default heap size of 1G).  10 concurrent clients are doing over 10k rows
a minute.  HBase should be able to carry this common loading scenario.

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