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Arpit Agarwal commented on HDFS-10713:
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Thanks for the backport [~zhz].
> Throttle FsNameSystem lock
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Zhe Zhang commented on HDFS-10713:
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I backported this change to branch-2.7 since the original read/write
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Erik Krogen commented on HDFS-10713:
[~arpitagarwal], I'm confident that my HDFS-10817 patch would not
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Arpit Agarwal commented on HDFS-10713:
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bq. Since HDFS-10817 and related JIRAs are adding some
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Hadoop QA commented on HDFS-10713:
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Arpit Agarwal commented on HDFS-10713:
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+1 for the branch-2 patch, pending Jenkins.
> Throttle
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Hudson commented on HDFS-10713:
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SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10491 (See
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Hanisha Koneru commented on HDFS-10713:
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The junit tests pass locally.
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Hadoop QA commented on HDFS-10713:
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Chris Douglas commented on HDFS-10713:
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+0 on v11. Since HDFS-10817 and related JIRAs are adding some
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Arpit Agarwal commented on HDFS-10713:
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+1 for the v11 patch.
I'll hold off committing for a couple
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Hadoop QA commented on HDFS-10713:
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Arpit Agarwal commented on HDFS-10713:
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v10 patch lgtm. I think this block was left in by mistake in
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Hadoop QA commented on HDFS-10713:
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Hadoop QA commented on HDFS-10713:
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Hadoop QA commented on HDFS-10713:
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Arpit Agarwal commented on HDFS-10713:
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Thanks for the updated patch Hanisha.
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Hadoop QA commented on HDFS-10713:
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Andrew Wang commented on HDFS-10713:
Thanks for working on this Hanisha. I had the same review comment
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Chris Douglas commented on HDFS-10713:
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Using a {{synchronized}} block after releasing the read lock
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Erik Krogen commented on HDFS-10713:
One comment on this is that it would be ideal to change it to use
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Hanisha Koneru commented on HDFS-10713:
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The unit test TestDFSUpgradeWithHA fails intermittently.
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Hadoop QA commented on HDFS-10713:
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Arpit Agarwal commented on HDFS-10713:
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+1 pending Jenkins.
> Throttle FsNameSystem lock warnings
>
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Arpit Agarwal commented on HDFS-10713:
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Also patch will have to be rebased since HDFS-10742 just
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Arpit Agarwal commented on HDFS-10713:
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Thanks [~hanishakoneru]. Few more comments:
# Log statement
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Hadoop QA commented on HDFS-10713:
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Hadoop QA commented on HDFS-10713:
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Arpit Agarwal commented on HDFS-10713:
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Thanks for the updated patch [~hanishakoneru]. The read lock
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Hadoop QA commented on HDFS-10713:
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Erik Krogen commented on HDFS-10713:
In HDFS-10475 we hope to add more detailed metrics for which
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Mingliang Liu commented on HDFS-10713:
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{quote}
If we just capture the longest lock held interval but
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Arpit Agarwal commented on HDFS-10713:
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Re capturing the thread stack every time we see a higher lock
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Hanisha Koneru commented on HDFS-10713:
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We can cache the thread's stackTrace and lock time and once
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Jing Zhao commented on HDFS-10713:
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bq. we have a look at the feasibility to expose this information to
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Mingliang Liu commented on HDFS-10713:
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{code:title=DFSConfigKeys.java}
414 // Threshold for
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Arpit Agarwal commented on HDFS-10713:
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Also we can rename the config key to
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Arpit Agarwal commented on HDFS-10713:
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Thanks [~hanishakoneru]. The patch lgtm. The test case needs
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Hadoop QA commented on HDFS-10713:
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Arpit Agarwal commented on HDFS-10713:
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Thanks for the patch [~hanishakoneru].
# We can do the
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Hadoop QA commented on HDFS-10713:
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