[jira] [Commented] (BOOKKEEPER-527) multiple threads for topic op queuer.

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BOOKKEEPER-527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13540825#comment-13540825 ] 

Hadoop QA commented on BOOKKEEPER-527:
--------------------------------------

Testing JIRA BOOKKEEPER-527


Patch [BOOKKEEPER-527.diff|https://issues.apache.org/jira/secure/attachment/12562658/BOOKKEEPER-527.diff] downloaded at Sat Dec 29 08:52:06 UTC 2012

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{color:green}+1 PATCH_APPLIES{color}
{color:green}+1 CLEAN{color}
{color:green}+1 RAW_PATCH_ANALYSIS{color}
.    {color:green}+1{color} the patch does not introduce any @author tags
.    {color:green}+1{color} the patch does not introduce any tabs
.    {color:green}+1{color} the patch does not introduce any trailing spaces
.    {color:green}+1{color} the patch does not introduce any line longer than 120
.    {color:green}+1{color} the patch does adds/modifies 10 testcase(s)
{color:green}+1 RAT{color}
.    {color:green}+1{color} the patch does not seem to introduce new RAT warnings
{color:green}+1 JAVADOC{color}
.    {color:green}+1{color} the patch does not seem to introduce new Javadoc warnings
{color:green}+1 COMPILE{color}
.    {color:green}+1{color} HEAD compiles
.    {color:green}+1{color} patch compiles
.    {color:green}+1{color} the patch does not seem to introduce new javac warnings
{color:green}+1 FINDBUGS{color}
.    {color:green}+1{color} the patch does not seem to introduce new Findbugs warnings
{color:green}+1 TESTS{color}
.    Tests run: 757
{color:green}+1 DISTRO{color}
.    {color:green}+1{color} distro tarball builds with the patch 

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{color:green}*+1 Overall result, good!, no -1s*{color}


The full output of the test-patch run is available at

.   https://builds.apache.org/job/bookkeeper-trunk-precommit-build/179/
                
> multiple threads for topic op queuer.
> -------------------------------------
>
>                 Key: BOOKKEEPER-527
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-527
>             Project: Bookkeeper
>          Issue Type: Improvement
>          Components: hedwig-server
>            Reporter: Sijie Guo
>            Assignee: Sijie Guo
>             Fix For: 4.3.0
>
>         Attachments: BOOKKEEPER-527.diff
>
>
> currently there is only one single thread scheduler shared across topic manager, subscription manager and bookkeeper manager (also region manager). if enqueue speed is faster than dequeue speed for per topic, lots of operations would be submitted to this single thread scheduler, which cause lots of operations are pending in the executor to execute.
> we need to adapt a multiple thread executor of this case. and it would be better to separate executors between managers.

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