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https://issues.apache.org/jira/browse/HDFS-3020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-3020:
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Attachment: hdfs-3020.txt
Attached patch fixes the issue. I will test this against a real workload that
exhibited the issue as well.
> Auto-logSync based on edit log buffer size broken
> -------------------------------------------------
>
> Key: HDFS-3020
> URL: https://issues.apache.org/jira/browse/HDFS-3020
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.22.0, 0.23.0
> Reporter: Todd Lipcon
> Priority: Critical
> Attachments: hdfs-3020.txt
>
>
> HDFS-1112 added a feature whereby the edit log automatically calls logSync()
> if the buffered data crosses a threshold. However, the code checks
> {{bufReady.size()}} rather than {{bufCurrent.size()}} -- which is incorrect
> since the writes themselves go into {{bufCurrent}}.
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