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https://issues.apache.org/jira/browse/HDFS-2756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181054#comment-13181054
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Jitendra Nath Pandey commented on HDFS-2756:
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Reading in_progress segments could require the stand by to read records from
middle of a segment, which
in turn requires skipping the already read records. This is supported by the
interfaces but not implemented in FileJournalManager.
I think we could fix it as I mentioned in HDFS-1975
([comment|https://issues.apache.org/jira/browse/HDFS-1975?focusedCommentId=13132131&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13132131";])
BK fixed it in BOOKKEEPER-11.
> Warm standby does not read the in_progress edit log
> ----------------------------------------------------
>
> Key: HDFS-2756
> URL: https://issues.apache.org/jira/browse/HDFS-2756
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Hari Mankude
>
> Warm standby does not read the in_progress edit log. This could result in
> standby taking a long time to become the primary during a failover scenario.
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