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John Zhuge commented on HDFS-12528:
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[~xiaochen], thanks for the great work! Patch 03 LG
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John Zhuge commented on HDFS-12528:
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+1 LGTM
> Add an option to not disable short-circu
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John Zhuge reassigned HDFS-240:
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Assignee: (was: John Zhuge)
> Should HDFS restrict the names used for files?
>
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John Zhuge commented on HDFS-240:
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Unfortunately don't have time to work on it.
> Should HD
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John Zhuge commented on HDFS-13247:
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Please check outÂ
[try-with-resources|https://docs.
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John Zhuge commented on HDFS-13984:
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[~yangjiandan]Thanks for the contribution!
Could
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Work on HDFS-12528 started by John Zhuge.
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> Short-circuit reads getting disabled frequently in certain scenarios
> --
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John Zhuge updated HDFS-12528:
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Attachment: HDFS-12528.000.patch
Patch 000
* Unit test only
Here is the test output.
{{Unbuffer}} plac
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John Zhuge edited comment on HDFS-12528 at 10/24/17 4:16 AM:
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John Zhuge commented on HDFS-12528:
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The unit test is subtly different from the original
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John Zhuge updated HDFS-3296:
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Attachment: HDFS-3296.004.patch
I'd like to share a patch I have been using. Not totally polished or thorou
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John Zhuge commented on HDFS-3296:
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TestDomainSocket#testAsyncCloseDuringWrite failure:
{n
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John Zhuge commented on HDFS-12710:
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[~pifta] Thanks for the contribution!
Is this a bu
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John Zhuge commented on HDFS-12710:
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Tested the patch in a pseudo distributed cluster. I
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John Zhuge updated HDFS-12710:
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Resolution: Fixed
Fix Version/s: 2.9.0
Status: Resolved (was: Patch Available)
Commit
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John Zhuge commented on HDFS-12714:
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[~joemcdonnell] Thanks for the contribution!
How d
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John Zhuge edited comment on HDFS-12714 at 10/31/17 1:00 AM:
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John Zhuge updated HDFS-12744:
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Labels: supportability (was: )
> More logs when short-circuit read is failed and disabled
> ---
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John Zhuge commented on HDFS-12744:
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+1 LGTM
> More logs when short-circuit read is fai
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John Zhuge commented on HDFS-12714:
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+1 LGTM I will commit once the testing done is cla
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John Zhuge resolved HDFS-12714.
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Resolution: Fixed
Fix Version/s: 3.0.0-beta1
3.1.0
Committed to trunk and br
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John Zhuge edited comment on HDFS-12714 at 11/1/17 6:03 AM:
Co
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John Zhuge commented on HDFS-12318:
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Backported to branch-2, branch-2.9, and branch-2.8.
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John Zhuge updated HDFS-12318:
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Fix Version/s: 2.9.1
2.10.0
2.8.3
> Fix IOException condition for
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John Zhuge updated HDFS-12821:
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Description:
We use HDFS2.4 & 2.6, and recently hit a issue that DFSClient domain socket is
disabled wh
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John Zhuge commented on HDFS-12821:
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Think so too.
In HDFS-12528, the file was appended
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John Zhuge resolved HDFS-12821.
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Resolution: Duplicate
> Block invalid IOException causes the DFSClient domain socket being disabled
>
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John Zhuge updated HDFS-12528:
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Summary: Short-circuit reads unnecessarily disabled for a long time (was:
Short-circuit reads getting d
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John Zhuge resolved HDFS-12815.
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Resolution: Duplicate
Thanks [~msingh] for reporting the issue. I think it is a dup of HADOOP-15056
w
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John Zhuge resolved HDFS-12604.
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Resolution: Won't Fix
StreamCapability enums are deprecated by HADOOP-15012.
> StreamCapability enums
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John Zhuge commented on HDFS-12528:
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[~xiaochen] Puzzled. The hadoop-hdfs/pom.xml change
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John Zhuge commented on HDFS-12528:
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Yes, that would shorten the path greatly.
> Short-
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John Zhuge reassigned HDFS-12528:
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Assignee: (was: John Zhuge)
> Short-circuit reads unnecessarily disabled for a long time
> --
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John Zhuge commented on HDFS-12528:
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Unfortunately I won't have time for a while. Unassi
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John Zhuge commented on HDFS-13752:
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cc [~mi...@cloudera.com]
> fs.Path stores file pa
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John Zhuge reassigned HDFS-9841:
Assignee: John Zhuge
> FileDiff's skipped by hdfs snapshotDiff
> ---
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John Zhuge reassigned HDFS-9896:
Assignee: John Zhuge
> WebHDFS API may return invalid JSON
> ---
>
>
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John Zhuge reassigned HDFS-6520:
Assignee: John Zhuge
> Failed to run fsck -move
>
>
> Key:
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John Zhuge updated HDFS-6520:
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Summary: hdfs fsck -move not working (was: Failed to run fsck -move)
Was able to gain more insight after e
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Work on HDFS-6520 started by John Zhuge.
> hdfs fsck -move not working
> ---
>
> Key: HDFS-
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John Zhuge commented on HDFS-7639:
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+1 Definitely wasteful to occupy a thread to send a re
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John Zhuge updated HDFS-9913:
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Description:
Documentation for DistCp -delete option says
([http://hadoop.apache.org/docs/current/hadoop-d
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John Zhuge reassigned HDFS-9913:
Assignee: John Zhuge
> DispCp doesn't use Trash with -delete option
> --
John Zhuge created HDFS-9915:
Summary: Typo in DistCp.html
Key: HDFS-9915
URL: https://issues.apache.org/jira/browse/HDFS-9915
Project: Hadoop HDFS
Issue Type: Improvement
Components: d
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John Zhuge commented on HDFS-9913:
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The problem exists in CDH5.8.0 (2.6.0) based on my qui
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John Zhuge reassigned HDFS-9939:
Assignee: John Zhuge (was: Yongjun Zhang)
> Possible performance improvement by increasing buf siz
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John Zhuge updated HDFS-9940:
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Summary: Rename dfs.balancer.max.concurrent.moves to avoid confusion (was:
New property dfs.balancer.max.c
John Zhuge created HDFS-9940:
Summary: New property dfs.balancer.max.concurrent.moves for
Balancer
Key: HDFS-9940
URL: https://issues.apache.org/jira/browse/HDFS-9940
Project: Hadoop HDFS
Issue
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John Zhuge commented on HDFS-9940:
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+1 HDFS-7466
> Rename dfs.balancer.max.concurrent.mov
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John Zhuge commented on HDFS-9940:
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Balancer uses config {{dfs.datanode.balance.max.concur
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John Zhuge commented on HDFS-9940:
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[~yzhangal], great idea if we don't have to manually c
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John Zhuge commented on HDFS-9940:
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I like 2) better because all rebalance configuration i
John Zhuge created HDFS-10171:
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Summary: Balancer should log config values and iteration
termination reasons
Key: HDFS-10171
URL: https://issues.apache.org/jira/browse/HDFS-10171
Project: Hadoop HDFS
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John Zhuge updated HDFS-10171:
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Description: To improve supportability, Balancer should log config values.
(was: To improve supportabil
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John Zhuge resolved HDFS-10171.
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Resolution: Duplicate
Fix Version/s: 2.8.0
{noformat}
2016-03-15 22:42:31,618 [Thread-0] INFO
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John Zhuge updated HDFS-9885:
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Hadoop Flags: Reviewed
+1 LGTM
> In distcp cmd ouput, Display name should be given for
> org.apache.hadoo
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John Zhuge commented on HDFS-10173:
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+1 LGTM
> Typo in DataXceiverServer
>
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John Zhuge commented on HDFS-9885:
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OK
> In distcp cmd ouput, Display name should be give
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John Zhuge commented on HDFS-9940:
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Thank you all for the great discussion !
[~yzhangal]
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John Zhuge commented on HDFS-9885:
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Thanks for the patch. Minor comments:
* Replace "Distc
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John Zhuge commented on HDFS-9885:
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My bad, it seems "_" is necessary because
{{org.apach
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John Zhuge commented on HDFS-10185:
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Thanks [~linyiqun] for working on the unit test iss
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John Zhuge commented on HDFS-10185:
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bq. Yes, my new code is used to check if {{Thread.c
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John Zhuge commented on HDFS-10185:
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Close it then. Thanks for attempting to fix this un
John Zhuge created HDFS-10190:
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Summary: Expose FSDatasetImpl lock metrics
Key: HDFS-10190
URL: https://issues.apache.org/jira/browse/HDFS-10190
Project: Hadoop HDFS
Issue Type: Improvement
A
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John Zhuge updated HDFS-10190:
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Description:
Add DN FSDatasetImpl lock metrics:
* Number of lock calls
* Contention rate
* Average wait
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John Zhuge updated HDFS-9939:
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Summary: Increase DecompressorStream skip buffer size (was: Possible
performance improvement by increasin
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John Zhuge updated HDFS-8496:
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Summary: Should not call stopWriter() with FSDatasetImpl lock held (was:
Calling stopWriter() with FSDatas
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John Zhuge updated HDFS-8496:
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Summary: Calling stopWriter() with FSDatasetImpl lock held may block other
threads (was: Should not call s
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John Zhuge commented on HDFS-9633:
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No, I am not trying fix any problem, just adding more
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John Zhuge updated HDFS-9573:
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Resolution: Won't Fix
Status: Resolved (was: Patch Available)
It is recommended for hashCode and e
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John Zhuge updated HDFS-9939:
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Fix Version/s: 2.8.0
Status: Patch Available (was: Open)
> Increase DecompressorStream skip buf
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John Zhuge updated HDFS-9939:
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Attachment: HDFS-9939.001.patch
Patch 001:
* Set skip buffer size to 2048 (MAX_SKIP_BUFFER_SIZE)
* Move Fak
John Zhuge created HDFS-10215:
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Summary: distcp throws vague exception without home directory
Key: HDFS-10215
URL: https://issues.apache.org/jira/browse/HDFS-10215
Project: Hadoop HDFS
Issue Type
John Zhuge created HDFS-10216:
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Summary: distcp -diff relative path exception
Key: HDFS-10216
URL: https://issues.apache.org/jira/browse/HDFS-10216
Project: Hadoop HDFS
Issue Type: Bug
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John Zhuge commented on HDFS-10216:
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Did hit the exception twice on 2 different nodes wh
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John Zhuge updated HDFS-9633:
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Description:
Add more behavior-based unit tests to verify and document SnapshotDiffReport
API behaviors:
*
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John Zhuge commented on HDFS-10215:
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Thanks [~steve_l]. Will do.
> distcp throws vague
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John Zhuge commented on HDFS-6520:
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Wrote the unit test that reproduced the problem. Got c
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John Zhuge commented on HDFS-9939:
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Thanks. That could have been caught by HADOOP-12701 si
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John Zhuge commented on HDFS-7060:
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If we assume dataset lock protects {{bpSlices}}. The f
John Zhuge created HDFS-10230:
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Summary: HDFS Native Client build failed
Key: HDFS-10230
URL: https://issues.apache.org/jira/browse/HDFS-10230
Project: Hadoop HDFS
Issue Type: Bug
Compo
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John Zhuge commented on HDFS-10230:
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No problem with {{mvn clean install -DskipTests -Dm
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John Zhuge reassigned HDFS-10233:
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Assignee: John Zhuge
> Ability to list inode number with -ls
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https://issues.apache.org/jira/browse/HDFS-6520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15222114#comment-15222114
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John Zhuge commented on HDFS-6520:
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In this test case, {{echo CORRUPT >/path/to/block}} is
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John Zhuge updated HDFS-6520:
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Attachment: HDFS-6520-partial.001.patch
Add a partial patch with a unit test that reproduces the problem. H
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https://issues.apache.org/jira/browse/HDFS-10216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Zhuge updated HDFS-10216:
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Assignee: (was: John Zhuge)
> distcp -diff relative path exception
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https://issues.apache.org/jira/browse/HDFS-10216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15232890#comment-15232890
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John Zhuge commented on HDFS-10216:
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Please go ahead.
> distcp -diff relative path exce
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John Zhuge commented on HDFS-10216:
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Great job with the patch [~bwtakacy].
I assume the
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John Zhuge commented on HDFS-10216:
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Thanks for enhancing the unit tests which will defi
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https://issues.apache.org/jira/browse/HDFS-7499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Zhuge updated HDFS-7499:
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Assignee: (was: John Zhuge)
> Add NFSv4 + Kerberos / client authentication support
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https://issues.apache.org/jira/browse/HDFS-7499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15235557#comment-15235557
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John Zhuge commented on HDFS-7499:
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Do not have bandwidth to work on it for now.
> Add NF
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John Zhuge commented on HDFS-10216:
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Great job. Just minor nitpicks:
* {{TestDistCpSync.
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John Zhuge commented on HDFS-10216:
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Very nice. Consider reviewed after 2 tiny updates:
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https://issues.apache.org/jira/browse/HDFS-9670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15240486#comment-15240486
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John Zhuge commented on HDFS-9670:
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Reproduced test in different ways:
* The target dir mu
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https://issues.apache.org/jira/browse/HDFS-9670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HDFS-9670 started by John Zhuge.
> DistCp throws NPE when source is root "/"
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John Zhuge commented on HDFS-9670:
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Source file system can also be different, e.g., {{s3a}
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John Zhuge updated HDFS-9670:
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Summary: DistCp throws NPE when source is root and target exists (was:
DistCp throws NPE when source is ro
John Zhuge created HDFS-10287:
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Summary: MiniDFSCluster should implement AutoCloseable
Key: HDFS-10287
URL: https://issues.apache.org/jira/browse/HDFS-10287
Project: Hadoop HDFS
Issue Type: Impro
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John Zhuge updated HDFS-9670:
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Summary: DistCp throws NPE when source is root (was: DistCp throws NPE
when source is root and target exis
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