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https://issues.apache.org/jira/browse/HBASE-9338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753059#comment-13753059
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Elliott Clark commented on HBASE-9338:
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Ok, so I'm pretty sure that I have it. Hadoop 2.1.0 was a red herring. I just
noticed the failures around then because I had upped the test iterations in
preparation for a 0.96 rc.
Pretty sure the cause is Online Schema Change. I've been running lots of
different tests, and whenever I have those chaos monkey actions then
IntegrationTestLoadAndVerify passes. I'm running IntegrationTestBigLinkedList
right now to make sure that is the issue for both. But I think there is some
bug where data can be skipped or returned mal-formed while the change is in
progress. So if the IntegrationTestBigLinkedList run passes (takes about 8
hours with the number of iterations we run on the cluster) then I think we
should disable Online Schema Change for 0.96.
I know I was the one that enabled it, but I think this will help with stability
for the upcoming release.
> Test Big Linked List fails on Hadoop 2.1.0
> ------------------------------------------
>
> Key: HBASE-9338
> URL: https://issues.apache.org/jira/browse/HBASE-9338
> Project: HBase
> Issue Type: Bug
> Components: test
> Affects Versions: 0.96.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Priority: Critical
> Fix For: 0.96.0
>
> Attachments: HBASE-9338-0.patch
>
>
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