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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (QPID-7024) BDB HA - Group change thread-pool sized to availableProcessors +1
Date Wed, 03 Feb 2016 12:50:39 GMT

    [ https://issues.apache.org/jira/browse/QPID-7024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15130327#comment-15130327
] 

Keith Wall edited comment on QPID-7024 at 2/3/16 12:49 PM:
-----------------------------------------------------------

Alex - changes as discussed committed under 1728302.
These need to be ported to qpid-java-6.0.x


was (Author: k-wall):
Alex - changes as discussed committed under 1728302.
These need to be ported to qpuid-java-6.0.x

> BDB HA - Group change thread-pool sized to availableProcessors +1
> -----------------------------------------------------------------
>
>                 Key: QPID-7024
>                 URL: https://issues.apache.org/jira/browse/QPID-7024
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>            Reporter: Keith Wall
>            Assignee: Keith Wall
>            Priority: Minor
>             Fix For: qpid-java-6.0.1, qpid-java-6.1
>
>
> The BDB HA implementation internally uses a thread pool to process group change events.
 This thread pool is sized to {{Runtime.getRuntime().availableProcessors() + 1}}.  On a machine
with many cores, this will create a very large number of threads.
> There is probably no reason why this thread pool needs to be quite so large.  This problem
does not cause a functional impact, but will consume more resources (threads + stack) than
required.



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