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Jingcheng Du commented on HDFS-6133:
Thanks, it was a wrong patch.
Make Balancer
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Jingcheng Du commented on HDFS-6133:
Thanks, it was a wrong patch.
Make Balancer
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Jingcheng Du commented on HDFS-6133:
Hi [~zhaoyunjiong].
The release note mentions that
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Jingcheng Du commented on HDFS-9668:
Thanks for comment. [~cmccabe].
I am not sure if there is
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Jingcheng Du commented on HDFS-9668:
Thanks [~vinayrpet].
I ran the same HBase test in few cases for
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Jingcheng Du updated HDFS-9668:
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Attachment: execution_time.png
> Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage
>
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-1.patch
Upload a draft patch for discussion.
This patch implements a lock
Jingcheng Du created HDFS-9668:
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Summary: Many long-time BLOCKED threads on FsDatasetImpl in a
tiered storage
Key: HDFS-9668
URL: https://issues.apache.org/jira/browse/HDFS-9668
Project: Hadoop HDFS
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Jingcheng Du updated HDFS-9668:
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Summary: Many long-time BLOCKED threads on FsDatasetImpl in a tiered
storage test (was: Many
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Jingcheng Du commented on HDFS-9668:
In the patch V2, I choose an array-based lock pool mechanism
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-2.patch
Upload a new patch (V2) to address the comments. Thanks.
> Many
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Jingcheng Du commented on HDFS-9668:
bq. I notice that this patch adds a reader/writer lock. While this
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Jingcheng Du commented on HDFS-9668:
Thanks for pointing this out, [~szetszwo].
bq. One issue concern
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Jingcheng Du commented on HDFS-9668:
Thanks [~cmccabe].
bq. I wonder if, as a first step, we could try
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Jingcheng Du commented on HDFS-9668:
Thanks for the comments, [~cmccabe].
bq. A 10 gigabyte HDFS file
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Jingcheng Du commented on HDFS-10682:
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Thanks a lot [~fenghua_hu], and thanks [~arpitagarwal] for
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Jingcheng Du commented on HDFS-9668:
Thanks [~arpitagarwal] for the comments.
I agree, this new patch
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Jingcheng Du commented on HDFS-9668:
[~fenghua_hu], thanks for the comments!
The new patch moves the
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Jingcheng Du edited comment on HDFS-9668 at 8/19/16 5:44 AM:
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Thanks
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Jingcheng Du commented on HDFS-9668:
Thanks [~fenghua_hu].
Think about the patches again carefully. I
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Jingcheng Du commented on HDFS-9668:
Thanks a lot for the comments! [~eddyxu]
bq. AutoCloseableLock
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Jingcheng Du updated HDFS-9668:
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Status: Patch Available (was: Open)
> Optimize the locking in FsDatasetImpl
>
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Jingcheng Du updated HDFS-9668:
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Status: Open (was: Patch Available)
> Optimize the locking in FsDatasetImpl
>
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-6.patch
Rebase and upload the new patch V6 to fix the merging issues.
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-9.patch
Upload a new patch V9 to fix the whitespace warning.
> Optimize the
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Jingcheng Du commented on HDFS-9668:
Thanks a lot [~arpitagarwal]! I will keep the patch updated!
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-8.patch
Rebase the code for the updates in HDFS-10636 and upload a new patch V8,
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-7.patch
Rebase and upload the new patch V7 to fix the merging issues.
Hi guys, I
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Jingcheng Du updated HDFS-10924:
Attachment: HDFS-10924-2.patch
Remove some unnecessary classes, add unit tests, and fix the
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Jingcheng Du edited comment on HDFS-10924 at 9/30/16 8:59 AM:
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Hi
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Jingcheng Du commented on HDFS-10924:
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Hi [~arpitagarwal], I will have a vocation in the next whole
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Jingcheng Du updated HDFS-10924:
Attachment: HDFS-10924-3.patch
Upload a new patch V3 to fix the warnings in check style.
> Add a
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Jingcheng Du commented on HDFS-9668:
Thanks a lot [~eddyxu]!
bq. You can directly use
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-10.patch
Upload a new patch V10 according to [~eddyxu]'s comments.
> Optimize
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-12.patch
Upload a new patch V12 to fix the checkstyle warnings.
Again, the
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-11.patch
Re-attach the patch V11 with the correct name.
> Optimize the locking
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Jingcheng Du updated HDFS-9668:
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Attachment: hdfs-9668-11.patch
Upload a new patch V11 to fix most of the new checkstyle issues .
Part
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Jingcheng Du updated HDFS-9668:
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Attachment: (was: hdfs-9668-11.patch)
> Optimize the locking in FsDatasetImpl
>
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Jingcheng Du commented on HDFS-9668:
Checked the logs of the failed unit tests, the failures should not
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Jingcheng Du commented on HDFS-9668:
My mistake, I used 100 characters in a line that I used for HBase.
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-3.patch
Upload a new patch V3. Sorry for the late updates.
This patch is much
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-4.patch
Upload a new patch V4.
In this patch, AutoCloseableReadLock and
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Jingcheng Du commented on HDFS-9668:
Hi [~arpitagarwal], [~cmccabe], [~szetszwo], would you mind taking
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-5.patch
Upload a new patch V5 according to [~eddyxu]'s comments.
Any comments
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Jingcheng Du edited comment on HDFS-9668 at 8/29/16 4:39 AM:
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Upload a new
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-16.patch
Upload a new patch V16 to refine the code in unit tests.
> Optimize
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Jingcheng Du commented on HDFS-9668:
Thanks [~arpitagarwal]. Sure, I can move the code of locks to a
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Jingcheng Du updated HDFS-10924:
Component/s: datanode
> Add a new instrumented read-write lock
>
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-17.patch
Upload a new patch V17 to fix the concurrent issue in
Jingcheng Du created HDFS-10924:
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Summary: Add a new instrumented read-write lock
Key: HDFS-10924
URL: https://issues.apache.org/jira/browse/HDFS-10924
Project: Hadoop HDFS
Issue Type:
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Jingcheng Du commented on HDFS-9668:
Thanks [~arpitagarwal]. I'll move the lock-related code to another
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Jingcheng Du updated HDFS-10924:
Attachment: HDFS-10924.patch
Upload the 1st patch.
Add instrumented and auto closeable read-write
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Jingcheng Du commented on HDFS-9668:
Hi [~arpitagarwal]. I filed a new JIRA HDFS-10924 for the
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Jingcheng Du commented on HDFS-9668:
I've uploaded the 1st patch in HDFS-10924, will refresh this JIRA
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Jingcheng Du updated HDFS-10924:
Status: Patch Available (was: Open)
> Add a new instrumented read-write lock
>
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-14.patch
Refine the comments mentioned in HDFS-10828 by [~drankye] in a new
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Jingcheng Du commented on HDFS-9668:
Hi [~arpitagarwal], I read the code in HDFS-10828. I think the
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Jingcheng Du updated HDFS-9668:
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Comment: was deleted
(was: Hi [~arpitagarwal], I read the code in HDFS-10828. I think the callers of
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-13.patch
Rebase the code after HDFS-10828, and upload a new patch V13.
>
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Jingcheng Du edited comment on HDFS-9668 at 9/28/16 6:21 AM:
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Hi
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Jingcheng Du commented on HDFS-9668:
Thanks [~fenghua_hu].
I reverted part of the code from HDFS-10828.
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-14.patch
Re-attach the patch V14 to trigger the Hadoop QA.
> Optimize the
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-15.patch
Upload a new patch V15 to fix the newly added checkstyle warning.
>
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Jingcheng Du updated HDFS-9668:
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Attachment: (was: HDFS-9668-14.patch)
> Optimize the locking in FsDatasetImpl
>
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-14.patch
The failure of unit tests should not be related with this patch.
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Jingcheng Du commented on HDFS-9668:
Hi [~arpitagarwal].
I read the code in HDFS-10828. I think the
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Jingcheng Du updated HDFS-10924:
Attachment: HDFS-10924-4.patch
A new patch V4 is uploaded.
Please take a look if it is okay to
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Jingcheng Du edited comment on HDFS-10924 at 10/10/16 5:04 AM:
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Thanks a lot
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Jingcheng Du commented on HDFS-10924:
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Thanks a lot [~xiaochen] for the comments.
bq. Are the
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Jingcheng Du commented on HDFS-9668:
Thanks [~eddyxu]!
I will update the patch after HADOOP-13702 is
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Jingcheng Du commented on HDFS-9668:
The test failures are due to OOM, should not be related with this
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Jingcheng Du updated HDFS-9668:
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Status: Patch Available (was: Open)
> Optimize the locking in FsDatasetImpl
>
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Jingcheng Du updated HDFS-9668:
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Status: Open (was: Patch Available)
> Optimize the locking in FsDatasetImpl
>
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Jingcheng Du commented on HDFS-9668:
Thanks a lot for the comments [~arpitagarwal]!
bq. Can we
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Jingcheng Du edited comment on HDFS-9668 at 11/11/16 5:29 AM:
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Thanks a lot
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-23.patch
I checked the latest build, and these issues came up in other build
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-25.patch
Upload a new patch V25 to fix the checkstyle issue.
> Optimize the
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-24.patch
Upload a new patch V24 that uses read-write lock to address
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Jingcheng Du commented on HDFS-9668:
Hi [~arpitagarwal], would you mind reviewing the patch V25? thanks
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Jingcheng Du commented on HDFS-9668:
The failures in tests should not be related with the patch.
>
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Jingcheng Du commented on HDFS-9668:
Thanks for the comments [~eddyxu]!
bq. Could you help to clarify
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Jingcheng Du commented on HDFS-9668:
Thanks for comments.
[~arpitagarwal], if we need more discussion
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Jingcheng Du commented on HDFS-9668:
Thanks [~arpitagarwal].
bq. The answer is easy without the
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-21.patch
> Optimize the locking in FsDatasetImpl
>
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Jingcheng Du edited comment on HDFS-9668 at 11/1/16 2:20 AM:
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Thanks for
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Jingcheng Du commented on HDFS-9668:
Upload a new patch V21 to address [~xiaochen]'s comments. Thanks!
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Jingcheng Du commented on HDFS-9668:
Thanks for comments [~xiaochen]!
bq. Why AutoCloeableLock#isLocked
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-22.patch
Upload a new patch V22, which adds configurations to hdfs-default.xml
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-19.patch
Re-upload the patch V19 to trigger the Hadoop QA.
> Optimize the
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-19.patch
Upload the patch V19 to fix the warnings in check style.
> Optimize
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-18.patch
Upload a new patch V18 according to [~arpitagarwal] and [~eddyxu] after
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-20.patch
Rebase the code and upload a new patch V20.
The code had been changed
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Jingcheng Du commented on HDFS-9668:
It seems the failure is not related with this patch, it is caused
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-23.patch
Upload a new patch V23 to address [~eddyxu]'s comments. Thanks!
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Jingcheng Du commented on HDFS-9668:
Thanks a lot for the comments! [~eddyxu]
I'll upload a new patch
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Jingcheng Du commented on HDFS-9668:
Thanks a lot for comments [~arpitagarwal]!
bq.
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Jingcheng Du edited comment on HDFS-9668 at 11/30/16 7:00 AM:
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Thanks a lot
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Jingcheng Du updated HDFS-9668:
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Attachment: HDFS-9668-26.patch
Upload a new patch V26 to address [~arpitagarwal]'s comments except the
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Jingcheng Du commented on HDFS-9668:
[~yangjiandan], that is an invalid item, you could ignore this.
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Jingcheng Du commented on HDFS-9668:
This depends on the reviews and comments from the community, it is
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