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Zhe Zhang commented on HDFS-7285:
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[~iostream2...@163.com] Unfortunately I don't have permission to the
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Zhe Zhang commented on HDFS-7285:
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[~iostream2...@163.com]: the image cannot be viewed. Can you upload
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Zhe Zhang updated HDFS-15289:
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Fix Version/s: (was: 3.4.0)
> Allow viewfs mounts with hdfs scheme and centralized mount table
>
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https://issues.apache.org/jira/browse/HDFS-12943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16774857#comment-16774857
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Zhe Zhang commented on HDFS-12943:
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[~vagarychen] has tested the current version of the feature on a
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Zhe Zhang edited comment on HDFS-9098 at 10/22/18 7:14 PM:
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WIP patch to
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Zhe Zhang commented on HDDS-120:
Thanks [~xyao], [~dineshchitlangia]. DN audit log is actually useful for
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https://issues.apache.org/jira/browse/HDFS-13616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16489882#comment-16489882
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Zhe Zhang commented on HDFS-13616:
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Interesting idea!
Any thought on the potential of DDoSing the
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Zhe Zhang commented on HDFS-12284:
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Thanks [~zhengxg3], nice work! Could you click "Submit Patch" to
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Zhe Zhang reassigned HDFS-12345:
Assignee: Erik Krogen (was: Zhe Zhang)
> Scale testing HDFS NameNode with real metadata and
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Zhe Zhang edited comment on HDFS-12943 at 12/20/17 8:54 AM:
Thanks [~csun],
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Zhe Zhang edited comment on HDFS-12943 at 12/20/17 8:54 AM:
Thanks [~csun],
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Zhe Zhang commented on HDFS-12943:
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Thanks [~csun], interesting results!
If I understand correctly, both
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Zhe Zhang updated HDFS-12888:
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Description:
To reproduce:
# Run webui /conf
# Use {{hdfs --refreshSuperUserGroupsConfiguration}} to
Zhe Zhang created HDFS-12888:
Summary: NameNode web UI shows stale config values after cli
refresh
Key: HDFS-12888
URL: https://issues.apache.org/jira/browse/HDFS-12888
Project: Hadoop HDFS
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Zhe Zhang updated HDFS-10967:
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Target Version/s: (was: 2.7.5)
Removing the Target version since 2.7.5 is releasing soon.
> Add
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Zhe Zhang commented on HDFS-12638:
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Thanks [~shv]. +1 on the v3 patch (pretty clear fix to remove orphan
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Zhe Zhang commented on HDFS-12832:
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+1 on branch-2 and branch-2.7 patches as well. They are pretty clean
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Zhe Zhang commented on HDFS-12832:
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Thanks [~shv] for the fix. Trunk patch LGTM, +1. I'll finish
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Zhe Zhang commented on HDFS-12791:
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Thanks for the work [~msingh] and [~vagarychen]. What should be the
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Zhe Zhang updated HDFS-12823:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.7.5
Status: Resolved
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Zhe Zhang commented on HDFS-8829:
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This is an useful improvement for 2.7 as well. I just backported to
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Zhe Zhang updated HDFS-8829:
Fix Version/s: 2.7.5
> Make SO_RCVBUF and SO_SNDBUF size configurable for DataTransferProtocol
> sockets
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Zhe Zhang updated HDFS-12502:
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Fix Version/s: (was: 3.1.0)
(was: 3.0.0)
(was: 2.8.3)
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Zhe Zhang edited comment on HDFS-12502 at 10/24/17 10:07 PM:
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For some reason
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Zhe Zhang reopened HDFS-12502:
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> nntop should support a category based on FilesInGetListingOps
>
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Zhe Zhang updated HDFS-12502:
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Fix Version/s: (was: 2.7.5)
> nntop should support a category based on FilesInGetListingOps
>
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Zhe Zhang edited comment on HDFS-12502 at 10/24/17 9:59 PM:
For some reason we
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Zhe Zhang commented on HDFS-12502:
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For some reason we were getting over 600k~700k FilesInGetListing per
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Zhe Zhang commented on HDFS-12502:
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Thanks [~daryn], I agree that the name {{NNTopUserOpCounts}} has an
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Zhe Zhang commented on HDFS-11743:
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Thanks [~xiaochen] and [~brahmareddy] for the discussion (and sorry I
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Zhe Zhang updated HDFS-12502:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.1.0
3.0.0
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Zhe Zhang updated HDFS-10984:
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Fix Version/s: 2.7.5
Thanks [~swagle] and [~xyao]. I backported this to branch-2.7 as well.
> Expose
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Zhe Zhang updated HDFS-12420:
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Fix Version/s: 3.0.0
2.7.5
2.8.2
2.9.0
Thanks
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Zhe Zhang updated HDFS-12420:
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Fix Version/s: 3.1.0
> Add an option to disallow 'namenode format -force'
>
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Zhe Zhang updated HDFS-12502:
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Attachment: HDFS-12502.04.patch
Thanks [~ywskycn]! Attaching new patch to address the comment.
> nntop
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Zhe Zhang commented on HDFS-12502:
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Among the reported UT failures, {{TestUnderReplicatedBlocks}} seems
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Zhe Zhang updated HDFS-12502:
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Attachment: (was: HDFS-12502.03.patch)
> nntop should support a category based on
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Zhe Zhang updated HDFS-12502:
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Attachment: HDFS-12502.03.patch
> nntop should support a category based on FilesInGetListingOps
>
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Zhe Zhang updated HDFS-12502:
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Attachment: HDFS-12502.03.patch
Thanks [~xkrogen], good points. Updating the patch to address.
> nntop
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Zhe Zhang updated HDFS-12502:
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Attachment: HDFS-12502.02.patch
Thanks [~shv]! Updating the patch to address comments. Actually the
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Zhe Zhang commented on HDFS-7964:
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Very impressive numbers [~daryn]. How many handler threads are used for
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Zhe Zhang updated HDFS-12502:
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Attachment: HDFS-12502.01.patch
v00 patch actually doesn't work, because {{logAuditEvent}} for
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Zhe Zhang updated HDFS-12502:
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Status: Patch Available (was: Open)
> nntop should support a category based on FilesInGetListingOps
>
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Zhe Zhang reassigned HDFS-12502:
Assignee: Zhe Zhang
> nntop should support a category based on FilesInGetListingOps
>
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Zhe Zhang updated HDFS-12502:
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Attachment: HDFS-12502.00.patch
Initial patch attached.
> nntop should support a category based on
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Zhe Zhang updated HDFS-12502:
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Description: Large listing ops can oftentimes be the main contributor to
NameNode slowness. The aggregate
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Zhe Zhang updated HDFS-12502:
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Description: Large listing ops can oftentimes be the main contributor to
NameNode slowness. The aggregate
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Zhe Zhang updated HDFS-12502:
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Component/s: metrics
> nntop should support category based on FilesInGetListingOps
>
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Zhe Zhang updated HDFS-12502:
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Summary: nntop should support a category based on FilesInGetListingOps
(was: nntop should support
Zhe Zhang created HDFS-12502:
Summary: nntop should support category based on
FilesInGetListingOps
Key: HDFS-12502
URL: https://issues.apache.org/jira/browse/HDFS-12502
Project: Hadoop HDFS
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Zhe Zhang updated HDFS-12421:
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Component/s: metrics
> Balancer to emit standard metrics
> -
>
>
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Zhe Zhang updated HDFS-1068:
Attachment: HDFS-1068.00.patch
Attaching a very rough PoC patch to demonstrate idea.
> Reduce NameNode GC
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Zhe Zhang updated HDFS-1068:
Status: Patch Available (was: Open)
> Reduce NameNode GC by reusing HdfsFileStatus objects in RPC handlers
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Zhe Zhang commented on HDFS-1068:
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Reviving this ticket since GC from RPCs is actually a major contributor
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Zhe Zhang updated HDFS-1068:
Attachment: Screen Shot 2017-08-31 at 3.58.15 PM.png
> Reduce NameNode GC by reusing HdfsFileStatus objects
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Zhe Zhang reassigned HDFS-1068:
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Assignee: Zhe Zhang (was: Hairong Kuang)
> Reduce NameNode GC by reusing HdfsFileStatus objects in
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Zhe Zhang updated HDFS-1068:
Summary: Reduce NameNode GC by reusing HdfsFileStatus objects in RPC
handlers (was: Reduce getFileInfo's
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https://issues.apache.org/jira/browse/HDFS-958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16148519#comment-16148519
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Zhe Zhang edited comment on HDFS-958 at 8/31/17 6:34 AM:
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Actually it does make
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Zhe Zhang commented on HDFS-958:
Actually it does make sense to at least make it an option to avoid creating
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https://issues.apache.org/jira/browse/HDFS-12379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16148492#comment-16148492
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Zhe Zhang commented on HDFS-12379:
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Pinging [~daryn] [~wheat9] [~kihwal] for opinions based on HDFS-11641
Zhe Zhang created HDFS-12379:
Summary: NameNode getListing should use FileStatus instead of
HdfsFileStatus
Key: HDFS-12379
URL: https://issues.apache.org/jira/browse/HDFS-12379
Project: Hadoop HDFS
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Zhe Zhang updated HDFS-12248:
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Component/s: ha
> SNN will not upload fsimage on IOE and Interrupted exceptions
>
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Zhe Zhang updated HDFS-12248:
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Component/s: namenode
> SNN will not upload fsimage on IOE and Interrupted exceptions
>
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Zhe Zhang commented on HDFS-9079:
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Unassigning myself from the JIRA as I won't be able to work on it in the
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Zhe Zhang reassigned HDFS-9079:
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Assignee: (was: Zhe Zhang)
> Erasure coding: preallocate multiple generation stamps and serialize
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Zhe Zhang updated HDFS-12345:
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Description: Creating this JIRA to better track
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Zhe Zhang updated HDFS-12345:
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Issue Type: New Feature (was: Bug)
> Scale testing HDFS NameNode with real metadata and workloads
>
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Zhe Zhang reassigned HDFS-12345:
Assignee: Zhe Zhang
> Scale testing HDFS NameNode with real metadata and workloads
>
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Zhe Zhang updated HDFS-12345:
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Component/s: test
namenode
> Scale testing HDFS NameNode with real metadata and
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Zhe Zhang updated HDFS-12345:
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Summary: Scale testing HDFS NameNode with real metadata and workloads
(was: Scale testing HDFS NameNode)
Zhe Zhang created HDFS-12345:
Summary: Scale testing HDFS NameNode
Key: HDFS-12345
URL: https://issues.apache.org/jira/browse/HDFS-12345
Project: Hadoop HDFS
Issue Type: Bug
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Zhe Zhang updated HDFS-12284:
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Summary: Router support for Kerberos authentication and delegation tokens
(was: Router support for
Zhe Zhang created HDFS-12284:
Summary: Router support for Kerberos and delegation tokens
Key: HDFS-12284
URL: https://issues.apache.org/jira/browse/HDFS-12284
Project: Hadoop HDFS
Issue Type:
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Zhe Zhang updated HDFS-10702:
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Issue Type: New Feature (was: Improvement)
> Add a Client API and Proxy Provider to enable stale read
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Zhe Zhang updated HDFS-11896:
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Attachment: HDFS-11896-branch-2.7-006.patch
Uploading a new branch-2.7 patch to fix the test. Now it
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Zhe Zhang commented on HDFS-11896:
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Thanks for the work [~brahmareddy].
I modified the code base to use
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Zhe Zhang commented on HDFS-11882:
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Sorry I missed this ping earlier.
bq. Although it says that "at
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Zhe Zhang edited comment on HDFS-11634 at 6/21/17 8:51 PM:
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On one of our
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Zhe Zhang updated HDFS-11634:
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Attachment: Screen Shot 2017-06-21 at 1.39.21 PM.png
On our cluster with ~150 million blocks,
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Zhe Zhang updated HDFS-11743:
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Labels: (was: release-blocker)
> Revert the incompatible fsck reporting output in HDFS-7933 from
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Zhe Zhang updated HDFS-11743:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.7.4
Status: Resolved
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Zhe Zhang commented on HDFS-11743:
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[~brahmareddy] [~shv] Please kindly review v01 patch. I have verified
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Zhe Zhang commented on HDFS-11743:
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Thanks for confirming [~shv].
I verified reported unit test failures
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Zhe Zhang updated HDFS-11743:
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Attachment: HDFS-11743-branch-2.7.01.patch
Thanks [~brahmareddy] for taking a look. Yes you are right,
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Zhe Zhang edited comment on HDFS-11743 at 6/6/17 3:02 PM:
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Attaching v00 patch to
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Zhe Zhang commented on HDFS-7933:
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Thanks for the feedback [~brahmareddy]. I decided to revert only the
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Zhe Zhang updated HDFS-11743:
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Attachment: HDFS-11743-branch-2.7.00.patch
Just reverted {{NamenodeFsck}} and {{TestFsck}}.
> Revert the
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Zhe Zhang updated HDFS-11743:
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Status: Patch Available (was: In Progress)
> Revert the incompatible fsck reporting output in HDFS-7933
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Work on HDFS-11743 started by Zhe Zhang.
> Revert the incompatible fsck reporting output in HDFS-7933 from branch-2.7
>
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Zhe Zhang updated HDFS-11743:
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Summary: Revert the incompatible fsck reporting output in HDFS-7933 from
branch-2.7 (was: Revert
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Zhe Zhang commented on HDFS-7933:
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I agree with the above suggestion from [~shv].
> fsck should also
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https://issues.apache.org/jira/browse/HDFS-7964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16037810#comment-16037810
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Zhe Zhang commented on HDFS-7964:
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I took some time trying to fix HDFS-11737 unit test failures but they
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Zhe Zhang updated HDFS-11737:
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Attachment: HDFS-11737-branch-2.7.00.patch
> Backport HDFS-7964 to branch-2.7: add support for async edit
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Zhe Zhang updated HDFS-11737:
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Status: Patch Available (was: Open)
> Backport HDFS-7964 to branch-2.7: add support for async edit
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Zhe Zhang updated HDFS-11737:
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Summary: ibdcgditutibrcn (was: Backport HDFS-7964 to branch-2.7: add
support for async edit logging)
>
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Zhe Zhang updated HDFS-11737:
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Summary: Backport HDFS-7964 to branch-2.7: add support for async edit
logging (was: ibdcgditutibrcn)
>
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Zhe Zhang updated HDFS-11743:
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Labels: release-blocker (was: )
> Revert HDFS-7933 from branch-2.7 (fsck reporting decommissioning
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Zhe Zhang updated HDFS-11648:
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Fix Version/s: 2.7.4
I think this is a good improvement for 2.7.4; just committed to branch-2.7. Ran
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Zhe Zhang updated HDFS-10619:
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I think this is a good improvement for 2.7.4; just committed to branch-2.7. I
ran test-patch locally and
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Zhe Zhang updated HDFS-10619:
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Fix Version/s: 2.7.4
> Cache path in InodesInPath
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