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https://issues.apache.org/jira/browse/HDFS-10519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiayi Zhou updated HDFS-10519:
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Attachment: HDFS-10519.012.patch
Fix style problems. Failed test is unrelated.
> Add a configuration option to enable in-progress edit log tailing
> -----------------------------------------------------------------
>
> Key: HDFS-10519
> URL: https://issues.apache.org/jira/browse/HDFS-10519
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ha
> Reporter: Jiayi Zhou
> Assignee: Jiayi Zhou
> Priority: Minor
> Attachments: HDFS-10519.001.patch, HDFS-10519.002.patch,
> HDFS-10519.003.patch, HDFS-10519.004.patch, HDFS-10519.005.patch,
> HDFS-10519.006.patch, HDFS-10519.007.patch, HDFS-10519.008.patch,
> HDFS-10519.009.patch, HDFS-10519.010.patch, HDFS-10519.011.patch,
> HDFS-10519.012.patch
>
>
> Standby Namenode has the option to do in-progress edit log tailing to improve
> the data freshness. In-progress tailing is already implemented, but it's not
> enabled as default configuration. And there's no related configuration key to
> turn it on.
> Adding a related configuration key to let Standby Namenode is reasonable and
> would be a basis for further improvement on Standby Namenode.
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