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From "Keith Turner (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-486) conf/examples/3GB/standalone/accumulo-site.xml runs out of memory after 8 hours of continuous ingest
Date Thu, 22 Mar 2012 18:22:22 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13235840#comment-13235840
] 

Keith Turner commented on ACCUMULO-486:
---------------------------------------

Eric and I looked at a heap dump of one the servers that was still alive and had a little
bit of free memory.  We figured out why the servers ran out of memory.  Looks like thrift
transports were not being returned to the pool.  These transports have a .5M buffer.  The
logger was not returning these.  This bug has existed for a while, but config changes made
it happen faster. Tablet server memory was lowered and the log size was lowered, making logger
connections more frequent. Every new logger connection consumed .5M.
                
> conf/examples/3GB/standalone/accumulo-site.xml runs out of memory after 8 hours of continuous
ingest
> ----------------------------------------------------------------------------------------------------
>
>                 Key: ACCUMULO-486
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-486
>             Project: Accumulo
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 1.3.5
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>              Labels: 14_qa_bug
>             Fix For: 1.4.0
>
>


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