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https://issues.apache.org/jira/browse/HDFS-3518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13292664#comment-13292664
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Aaron T. Myers commented on HDFS-3518:
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bq. Seems like the most useful information we can get would be if the NN is in
safe mode or not because the JT can then go into a conservative mode wrt task
failures etc. because these would very likely be related to NN safe mode.
Got it. Makes sense. Perhaps then this JIRA should be "back-port HFDS-2413 to
branch-1" ?
bq. HDFS-2413 seems to fit the bill but its committed to the 2.0 line.
I didn't realize that this JIRA was intended only to address an issue in the
branch-1 line, though I should have realized that since the issue description
mentions the JT. Mind setting the affects/targets versions?
> Provide API to check HDFS operational state
> -------------------------------------------
>
> Key: HDFS-3518
> URL: https://issues.apache.org/jira/browse/HDFS-3518
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs client
> Reporter: Bikas Saha
> Assignee: Tsz Wo (Nicholas), SZE
>
> This will improve the usability of JobTracker safe mode.
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