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https://issues.apache.org/jira/browse/HDFS-6066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572739#comment-14572739
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Vinayakumar B commented on HDFS-6066:
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Need re-work on the patch against latest trunk code.
> logGenerationStamp is not needed to reduce editlog size
> -------------------------------------------------------
>
> Key: HDFS-6066
> URL: https://issues.apache.org/jira/browse/HDFS-6066
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: chenping
> Priority: Minor
> Labels: BB2015-05-TBR
> Attachments: HDFS-6066-trunk.1.patch, HDFS-6066-trunk.2.patch,
> HDFS-6066-trunk.3.patch
>
>
> almost every logGenerationStamp has a logAddBlock followed, so we can get the
> newest gs from the logAddBlock operation indirectly.this will reduce the edit
> log size.
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