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https://issues.apache.org/jira/browse/HDFS-9533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15063023#comment-15063023
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Daryn Sharp commented on HDFS-9533:
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+1. Fully agree non-active has no business touching the shared dir.
> seen_txid in the shared edits directory is modified during bootstrapping
> ------------------------------------------------------------------------
>
> Key: HDFS-9533
> URL: https://issues.apache.org/jira/browse/HDFS-9533
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha, namenode
> Affects Versions: 2.6.0
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Attachments: HDFS-9533.patch
>
>
> The last known transaction id is stored in the seen_txid file of all known
> directories of a NNStorage when starting a new edit segment. However, we have
> seen a case where it contains an id that falls in the middle of an edit
> segment. This was the seen_txid file in the sahred edits directory. The
> active namenode's local storage was containing valid looking seen_txid.
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