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https://issues.apache.org/jira/browse/HADOOP-5554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12688404#action_12688404
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Tsz Wo (Nicholas), SZE commented on HADOOP-5554:
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This patch changes tools for manual tests. I think we don't have junit for
these test tools. So, I suggest to do some manual tests instead of waiting for
Hudson.
> DataNodeCluster should create blocks with the same generation stamp as the
> blocks created in CreateEditsLog
> -----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-5554
> URL: https://issues.apache.org/jira/browse/HADOOP-5554
> Project: Hadoop Core
> Issue Type: Bug
> Components: test
> Affects Versions: 0.19.2
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.19.2, 0.20.0, 0.21.0
>
> Attachments: blockGS.patch
>
>
> HADOOP-5384 makes DataNodeCluster to create blocks with generation stamp
> Block#GRANDFATHER_GENERATION_STAMP(0) so simuated datanodes do not crash
> NameNode any more. But there is still a problem. CreateEditLogs creates
> blocks with generation stamp GenerationStamp#FIRST_VALID_STAMP (1000).
> Because of the generation stamp mismatch, all injected blocks are marked as
> invalid when NameNode processes block reports.
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