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https://issues.apache.org/jira/browse/HDFS-3335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-3335:
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Attachment: HDFS-3335-b1.002.patch
* Fix 0xff / -1 confusion
> check for edit log corruption at the end of the log
> ---------------------------------------------------
>
> Key: HDFS-3335
> URL: https://issues.apache.org/jira/browse/HDFS-3335
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 0.23.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-3335-b1.001.patch, HDFS-3335-b1.002.patch
>
>
> Even after encountering an OP_INVALID, we should check the end of the edit
> log to make sure that it contains no more edits.
> This will catch things like rare race conditions or log corruptions that
> would otherwise remain undetected. They will got from being silent data loss
> scenarios to being cases that we can detect and fix.
> Using recovery mode, we can choose to ignore the end of the log if necessary.
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