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From "Eric Newton (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-847) out of memory error creating native thread
Date Fri, 16 Nov 2012 03:18:51 GMT


Eric Newton commented on ACCUMULO-847:

Thanks, Josh for running my test.  This is another great data point: RHEL6 glibc memory management
is pretty awful!

If anyone wants my little test program, I can add it to the ticket.  It's nothing fancy, so
I've not bothered.  I'll commit it once I figure out how to create an automated functional
test that will ensure that memory stays "reasonable."

> out of memory error creating native thread
> ------------------------------------------
>                 Key: ACCUMULO-847
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>         Environment: RHEL6
>            Reporter: Eric Newton
>            Assignee: Keith Turner
>             Fix For: 1.5.0
> Long running tablet servers had many gigabytes of memory allocated above what was expected
(native + jvm).  Inspection of the heap did not show an unusual number of native objects allocated.
 Servers would eventually fail to create new threads.
> See HADOOP-7154 for the details.

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