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https://issues.apache.org/jira/browse/ZOOKEEPER-596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12792253#action_12792253
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Hadoop QA commented on ZOOKEEPER-596:
-------------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12428346/ZOOKEEPER-596.patch
against trunk revision 892001.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 9 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 warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h8.grid.sp2.yahoo.net/93/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h8.grid.sp2.yahoo.net/93/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h8.grid.sp2.yahoo.net/93/console
This message is automatically generated.
> The last logged zxid calculated by zookeeper servers could cause problems in
> leader election if data gets corrupted.
> --------------------------------------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-596
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-596
> Project: Zookeeper
> Issue Type: Bug
> Affects Versions: 3.2.1
> Reporter: Mahadev konar
> Assignee: Mahadev konar
> Fix For: 3.3.0
>
> Attachments: ZOOKEEPER-596.patch, ZOOKEEPER-596.patch,
> ZOOKEEPER-596.patch, ZOOKEEPER-596.patch, ZOOKEEPER-596.patch,
> ZOOKEEPER-596.patch
>
>
> It is possible that the last loggged zxid as reported by all the servers
> during leader election is not the last zxid that the server can upload data
> to. It is very much possible that some transaction or snapshot gets corrupted
> and the servers actually do not have valid data till last logged zxid. We
> need to make sure that what the servers report as there last logged zxid,
> they are able to load data till that zxid.
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