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Date: Sat, 3 Sep 2011 09:02:09 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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 <557434605.14509.1315040529844.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Commented] (HADOOP-1381) The distance between sync blocks
 in SequenceFiles should be configurable rather than hard coded to 2000
 bytes
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    [ https://issues.apache.org/jira/browse/HADOOP-1381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13096615#comment-13096615 ] 

Hadoop QA commented on HADOOP-1381:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12492885/HADOOP-1381.r4.diff
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 7 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    +1 core tests.  The patch passed unit tests in hadoop-common-project.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/131//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/131//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-auth.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/131//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/131//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-annotations.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/131//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-auth-examples.html
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/131//console

This message is automatically generated.

> The distance between sync blocks in SequenceFiles should be configurable rather than hard coded to 2000 bytes
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1381
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1381
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.22.0
>            Reporter: Owen O'Malley
>            Assignee: Harsh J
>             Fix For: 0.23.0
>
>         Attachments: HADOOP-1381.r1.diff, HADOOP-1381.r2.diff, HADOOP-1381.r3.diff, HADOOP-1381.r4.diff
>
>
> Currently SequenceFiles put in sync blocks every 2000 bytes. It would be much better if it was configurable with a much higher default (1mb or so?).

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