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From "huaxiang sun (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-19320) document the mysterious direct memory leak in hbase
Date Wed, 13 Dec 2017 23:34:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-19320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

huaxiang sun updated HBASE-19320:
    Attachment: HBASE-19320-master-v001.patch

After applying the jvm flag, our cluster is running fine, no direct memory leak so far. Upload
the doc  patch.

> document the mysterious direct memory leak in hbase 
> ----------------------------------------------------
>                 Key: HBASE-19320
>                 URL: https://issues.apache.org/jira/browse/HBASE-19320
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.0.0, 1.2.6
>            Reporter: huaxiang sun
>            Assignee: huaxiang sun
>         Attachments: HBASE-19320-master-v001.patch, Screen Shot 2017-11-21 at 4.43.36
PM.png, Screen Shot 2017-11-21 at 4.44.22 PM.png
> Recently we run into a direct memory leak case, which takes some time to trace and debug.
Internally discussed with our [~saint.ack@gmail.com], we thought we had some findings and
want to share with the community.
> Basically, it is the issue described in http://www.evanjones.ca/java-bytebuffer-leak.html
and it happened to one of our hbase clusters.
> Create the jira first and will fill in more details later.

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