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https://issues.apache.org/jira/browse/HDFS-16557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18038191#comment-18038191
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ASF GitHub Bot commented on HDFS-16557:
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github-actions[bot] closed pull request #4219: HDFS-16557. BootstrapStandby
failed because of checking gap for inprogress EditLogInputStream
URL: https://github.com/apache/hadoop/pull/4219
> BootstrapStandby failed because of checking gap for inprogress
> EditLogInputStream
> ---------------------------------------------------------------------------------
>
> Key: HDFS-16557
> URL: https://issues.apache.org/jira/browse/HDFS-16557
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Tao Li
> Assignee: Tao Li
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2022-04-22-17-17-14-577.png,
> image-2022-04-22-17-17-14-618.png, image-2022-04-22-17-17-23-113.png,
> image-2022-04-22-17-17-32-487.png
>
> Time Spent: 4h 10m
> Remaining Estimate: 0h
>
> The lastTxId of an inprogress EditLogInputStream lastTxId isn't necessarily
> HdfsServerConstants.INVALID_TXID. We can determine its status directly by
> EditLogInputStream#isInProgress.
> We introduced [SBN READ], and set
> {color:#ff0000}{{dfs.ha.tail-edits.in-progress=true}}{color}. Then
> bootstrapStandby, the EditLogInputStream of inProgress is misjudged,
> resulting in a gap check failure, which causes bootstrapStandby to fail.
> hdfs namenode -bootstrapStandby
> !image-2022-04-22-17-17-32-487.png|width=766,height=161!
> !image-2022-04-22-17-17-14-577.png|width=598,height=187!
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