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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9533) seen_txid in the shared edits directory is modified during bootstrapping
Date Fri, 06 Jan 2017 01:44:59 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated HDFS-9533:
-----------------------------
    Fix Version/s: 2.8.0

> 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
>             Fix For: 2.8.0, 2.7.3, 3.0.0-alpha1
>
>         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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