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https://issues.apache.org/jira/browse/HDFS-17631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoqiao He resolved HDFS-17631.
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Fix Version/s: 3.5.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Fix RedundantEditLogInputStream.nextOp() state error when
> EditLogInputStream.skipUntil() throw IOException
> -----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-17631
> URL: https://issues.apache.org/jira/browse/HDFS-17631
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: liuguanghua
> Assignee: liuguanghua
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> For namenode HA mode, standby namenode load editlog form journalnodes via
> QuorumJournalManger.selectInputStreams(). And RedundantEditLogInputStream is
> used for combine multiple remote journalnode inputstreams.
> The problems is that when read editlog with
> RedundantEditLogInputStream.nextOp() if the first stream execute skipUntil()
> throw IOException ( network errors, or hardware problems etc..) , it will be
> State.OK rather than State.STREAM_FAILED.
> And the proper state will be like blew and fault tolerant:
> State.SKIP_UNTIL -> State.STREAM_FAILED ->(try next stream) State.SKIP_UNTIL
> -> State.OK
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