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https://issues.apache.org/jira/browse/BOOKKEEPER-563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13693580#comment-13693580
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Hadoop QA commented on BOOKKEEPER-563:
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Testing JIRA BOOKKEEPER-563
Patch
[BOOKKEEPER-563.reverse.diff|https://issues.apache.org/jira/secure/attachment/12589692/BOOKKEEPER-563.reverse.diff]
downloaded at Wed Jun 26 01:29:57 UTC 2013
----------------------------
{color:green}+1 PATCH_APPLIES{color}
{color:green}+1 CLEAN{color}
{color:red}-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:red}-1{color} the patch does not add/modify any testcase
{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: 851
{color:green}+1 DISTRO{color}
. {color:green}+1{color} distro tarball builds with the patch
----------------------------
{color:red}*-1 Overall result, please check the reported -1(s)*{color}
The full output of the test-patch run is available at
. https://builds.apache.org/job/bookkeeper-trunk-precommit-build/389/
> Avoid Journal polluting page cache
> ----------------------------------
>
> Key: BOOKKEEPER-563
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-563
> Project: Bookkeeper
> Issue Type: Improvement
> Reporter: Sijie Guo
> Assignee: Robin Dhamankar
> Fix For: 4.3.0
>
> Attachments: BOOKKEEPER-563.diff, BOOKKEEPER-563.reverse.diff,
> BOOKKEEPER-563.reverse.diff
>
>
> writing data into journal which force the data in os buffer cache being used
> for hot reads, which could have negative affect on performance.
> similar solution is as CASSANDRA-1470.
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