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https://issues.apache.org/jira/browse/HDFS-12603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16197795#comment-16197795
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Xiao Chen edited comment on HDFS-12603 at 10/9/17 10:19 PM:
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I also verified branch-2 was passing for me before attaching the patch. Now mvn
test fails locally too....
Some other runs locally, it appears running the single test cases (though
parameterized) in intelliJ passes, entire test class fails, always for [1] and
[3] - the async parameters.
I think this is due to races in mockito like
https://code.google.com/archive/p/mockito/issues/301, and was able to run the
tests successfully with some added sleeps. New branch-2 patch v02 attached.
Initially I found this failing when backporting this to CDH. So I verified
there this is now passing for 100 separate runs:
http://dist-test.cloudera.org/job?job_id=hadoop.xiao.1507586727.62655
was (Author: xiaochen):
I also verified branch-2 was passing for me before attaching the patch. Now mvn
test fails locally too....
Some other runs locally, it appears running the single test cases (though
parameterized) in intelliJ passes, entire test class fails.
I think this is due to races in mockito like
https://code.google.com/archive/p/mockito/issues/301, and was able to run the
tests successfully with some added sleeps. New branch-2 patch v02 attached.
Initially I found this failing when backporting this to CDH. So I verified
there this is now passing for 100 separate runs:
http://dist-test.cloudera.org/job?job_id=hadoop.xiao.1507586727.62655
> Enable async edit logging by default
> ------------------------------------
>
> Key: HDFS-12603
> URL: https://issues.apache.org/jira/browse/HDFS-12603
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.8.0, 2.9.0, 3.0.0-alpha1
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Fix For: 3.0.0
>
> Attachments: HDFS-12603.001.patch, HDFS-12603.002.patch,
> HDFS-12603.003.patch, HDFS-12603.branch-2.01.patch,
> HDFS-12603.branch-2.02.patch
>
>
> HDFS-7964 added support for async edit logging. Based on further discussion
> in that JIRA, we think it's safe to turn this on by default for better
> out-of-the-box performance.
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