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Kihwal Lee updated HDFS-11817:
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Attachment: hdfs-11817_supplement.txt
Attaching supplemental information including stack traces.
> A fa
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Kihwal Lee commented on HDFS-11817:
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*Summary:*
The observation of the incident resulte
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Kihwal Lee commented on HDFS-11817:
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*Details of the NPE:*
The JVM did produce a stacktr
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Kihwal Lee updated HDFS-11641:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.2
3.0.0-alpha3
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Kihwal Lee commented on HDFS-11641:
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Please provide a patch for branch-2. With the EC-r
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Kihwal Lee commented on HDFS-11641:
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+1 the latest patch looks good.
> Reduce cost of a
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Kihwal Lee updated HDFS-11641:
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Target Version/s: 2.8.2 (was: 2.8.1)
> Reduce cost of audit logging by using FileStatus instead of Hdfs
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Kihwal Lee commented on HDFS-11820:
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bq. Thread #2 catches up, and acquires same instanc
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Kihwal Lee commented on HDFS-11820:
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Write lock ensures there is only one thread calling
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Kihwal Lee resolved HDFS-11820.
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Resolution: Invalid
> Thread safety in logEdit?
> -
>
> Key: H
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Kihwal Lee commented on HDFS-11820:
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Jira is for bug report. Please use relevant mailing
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Kihwal Lee commented on HDFS-11817:
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There are two possible immediate fixes that can be
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Kihwal Lee reassigned HDFS-11817:
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Assignee: Kihwal Lee
> A faulty node can cause a lease leak and NPE on accessing data
> -
Kihwal Lee created HDFS-11817:
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Summary: A faulty node can cause a lease leak and NPE on accessing
data
Key: HDFS-11817
URL: https://issues.apache.org/jira/browse/HDFS-11817
Project: Hadoop HDFS
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Kihwal Lee updated HDFS-11755:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.2
3.0.0-alpha3
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Kihwal Lee commented on HDFS-11755:
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+1 looks good.
> Underconstruction blocks can be c
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Kihwal Lee commented on HDFS-8789:
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What happens on NN restart (to be precise, during the
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Kihwal Lee updated HDFS-11765:
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Target Version/s: 2.8.1
> Fix:Performance regression due to incorrect use of DataChecksum
>
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Kihwal Lee commented on HDFS-8789:
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This can be fatal to namenode.
{code}
blocksWlocs = n
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Kihwal Lee updated HDFS-11702:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.2
3.0.0-alpha3
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Kihwal Lee commented on HDFS-11742:
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bq. I probably still not.
I invite everyone to run
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Kihwal Lee edited comment on HDFS-11742 at 5/5/17 11:24 PM:
bq
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Kihwal Lee updated HDFS-11742:
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Summary: Improve balancer usability after HDFS-8818 (was: Improve balancer
usability after HDFS-8188)
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Kihwal Lee commented on HDFS-11742:
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bq. Do you think that this is still a blocker of t
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Kihwal Lee commented on HDFS-8818:
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Posted a patch to HDFS-11742. Hopefully, this will pr
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Kihwal Lee updated HDFS-11742:
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Attachment: HDFS-11742.v2.trunk.patch
> Improve balancer usability after HDFS-8188
> ---
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Kihwal Lee commented on HDFS-11742:
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Setting HDFS-11377 as a dependency. In most cases,
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Kihwal Lee commented on HDFS-11742:
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Instead of reverting, I am making a simple change t
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Kihwal Lee updated HDFS-11742:
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Description:
We ran 2.8 balancer with HDFS-8818 on a 280-node and a 2,400-node cluster. In
both cases,
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Kihwal Lee updated HDFS-11742:
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Target Version/s: 2.7.4, 2.8.1 (was: 2.8.1)
> Improve balancer usability after HDFS-8188
>
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Kihwal Lee updated HDFS-11742:
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Summary: Improve balancer usability after HDFS-8188 (was: Revert the core
changes from HDFS-8818)
> Im
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Kihwal Lee commented on HDFS-8818:
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I will post a patch for improvement tomorrow. I am let
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Kihwal Lee commented on HDFS-8818:
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bq. Do you have HDFS-8824 in your runs? I suspect th
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Kihwal Lee commented on HDFS-8818:
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I set the dfs.datanode.balance.max.concurrent.moves to
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Kihwal Lee edited comment on HDFS-8818 at 5/3/17 7:17 PM:
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I set d
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Kihwal Lee commented on HDFS-8818:
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We see this problem in EVERY single cluster we tried t
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Kihwal Lee updated HDFS-8818:
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Attachment: bal1.png
bal2.png
> Allow Balancer to run faster
>
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Kihwal Lee edited comment on HDFS-11742 at 5/2/17 11:26 PM:
!h
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Kihwal Lee commented on HDFS-11742:
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!https://issues.apache.org/jira/secure/attachment/1
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Kihwal Lee updated HDFS-11742:
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Attachment: balancer2.8.png
> Revert the core changes from HDFS-8818
> -
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Kihwal Lee updated HDFS-11742:
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Description:
This is to revert the core changes made by HDFS-8818. The reason is explained
in the jira
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Kihwal Lee updated HDFS-11742:
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Assignee: Kihwal Lee
Status: Patch Available (was: Open)
> Revert the core changes from HDFS-8818
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Kihwal Lee updated HDFS-11742:
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Attachment: HDFS-11742.trunk.patch
HDFS-11742.branch-2.patch
HDFS-11742.b
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Kihwal Lee updated HDFS-8818:
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Attachment: (was: bal_revert.branch-2.patch)
> Allow Balancer to run faster
> -
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Kihwal Lee updated HDFS-8818:
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Attachment: (was: bal_revert.trunk.patch)
> Allow Balancer to run faster
>
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Kihwal Lee updated HDFS-8818:
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Attachment: (was: bal_revert.branch-2.8.patch)
> Allow Balancer to run faster
> ---
Kihwal Lee created HDFS-11742:
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Summary: Revert the core changes from HDFS-8818
Key: HDFS-11742
URL: https://issues.apache.org/jira/browse/HDFS-11742
Project: Hadoop HDFS
Issue Type: Bug
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Kihwal Lee resolved HDFS-8818.
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Resolution: Fixed
> Allow Balancer to run faster
>
>
> Key:
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Kihwal Lee updated HDFS-8818:
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Attachment: bal_revert.trunk.patch
bal_revert.branch-2.patch
bal_revert.bran
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Kihwal Lee commented on HDFS-8818:
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I will open a new one and post the patch there.
> All
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Kihwal Lee reopened HDFS-8818:
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Reopening for revert. git won't revert it cleanly since there have been other
changes since the commit. I m
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Kihwal Lee reassigned HDFS-8818:
Assignee: Kihwal Lee (was: Tsz Wo Nicholas Sze)
> Allow Balancer to run faster
> --
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Kihwal Lee commented on HDFS-8818:
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Thanks for the update, [~jojochuang]. That fixes the h
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Kihwal Lee commented on HDFS-8818:
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-1. Proposing revert of this untested change.
We've r
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Kihwal Lee updated HDFS-11714:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.1
3.0.0-alpha3
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Kihwal Lee edited comment on HDFS-11714 at 5/1/17 10:24 PM:
th
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Kihwal Lee commented on HDFS-11714:
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the branch-2 patch is identical except for the vari
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Kihwal Lee commented on HDFS-11714:
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You beat me. Thanks.
> Newly added NN storage dire
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Kihwal Lee commented on HDFS-11714:
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TestPipelinesFailover, TestBalancer are passing. Th
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Kihwal Lee commented on HDFS-7541:
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Just found out I somehow clicked the evil "Assign to m
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Kihwal Lee reassigned HDFS-7541:
Assignee: Ming Ma (was: Kihwal Lee)
> Upgrade Domains in HDFS
> ---
>
>
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Kihwal Lee commented on HDFS-11714:
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Filed HDFS-11729.
> Newly added NN storage directo
Kihwal Lee created HDFS-11729:
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Summary: Improve NNStorageRetentionManager failure handling.
Key: HDFS-11729
URL: https://issues.apache.org/jira/browse/HDFS-11729
Project: Hadoop HDFS
Issue Type:
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Kihwal Lee updated HDFS-11714:
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Attachment: HDFS-11714.v3.trunk.patch
HDFS-11714.v3.branch-2.patch
Attaching new patches
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Kihwal Lee commented on HDFS-11714:
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I will file a jira for the retention manager improv
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Kihwal Lee updated HDFS-11609:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.1
3.0.0-alpha3
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Kihwal Lee commented on HDFS-11714:
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bq. What if a VERSION file already exists in the di
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Kihwal Lee commented on HDFS-11609:
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Only updated the comment in the new patch. Test fai
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Kihwal Lee commented on HDFS-11714:
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These are passing.
{noformat}
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Kihwal Lee updated HDFS-11714:
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Attachment: HDFS-11714.v2.trunk.patch
HDFS-11714.v2.branch-2.patch
Attaching updated pat
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Kihwal Lee updated HDFS-11714:
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Target Version/s: 2.7.4, 2.8.1 (was: 2.8.1)
> Newly added NN storage directory won't get initialized an
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Kihwal Lee updated HDFS-11609:
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Attachment: HDFS-11609_v3.trunk.patch
HDFS-11609_v3.branch-2.patch
HDFS-1
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Kihwal Lee reassigned HDFS-11714:
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Assignee: Kihwal Lee
> Newly added NN storage directory won't get initialized and cause space
>
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Kihwal Lee commented on HDFS-11396:
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It could be due to interactions with other tests in
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Kihwal Lee commented on HDFS-11714:
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None of the findbugs warning was introduced by the
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Kihwal Lee updated HDFS-11714:
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Status: Patch Available (was: Open)
> Newly added NN storage directory won't get initialized and cause
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Kihwal Lee updated HDFS-11714:
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Attachment: HDFS-11714.trunk.patch
The version file can be created in an empty storage diectory in other
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Kihwal Lee commented on HDFS-11714:
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The original design pre-HA was to just create direc
Kihwal Lee created HDFS-11714:
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Summary: Newly added NN storage directory won't get initialized
and cause space exhaustion
Key: HDFS-11714
URL: https://issues.apache.org/jira/browse/HDFS-11714
Project: Ha
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Kihwal Lee commented on HDFS-11709:
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+1 lgtm
> StandbyCheckpointer should handle an non
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Kihwal Lee commented on HDFS-5042:
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We've seen that too. Unless there is other bug in Hado
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https://issues.apache.org/jira/browse/HDFS-10495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15985457#comment-15985457
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Kihwal Lee commented on HDFS-10495:
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I've analyzed this and discussed potential solution
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https://issues.apache.org/jira/browse/HDFS-5042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15984824#comment-15984824
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Kihwal Lee commented on HDFS-5042:
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bq. Can we recover this kind of block from namenode af
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https://issues.apache.org/jira/browse/HDFS-7541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee reassigned HDFS-7541:
Assignee: Kihwal Lee (was: Ming Ma)
> Upgrade Domains in HDFS
> ---
>
>
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https://issues.apache.org/jira/browse/HDFS-7541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15981993#comment-15981993
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Kihwal Lee commented on HDFS-7541:
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[~mingma] Since you guys have been using it in product
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https://issues.apache.org/jira/browse/HDFS-11691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15981295#comment-15981295
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Kihwal Lee commented on HDFS-11691:
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bq. this way datanode link field on UI will also di
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https://issues.apache.org/jira/browse/HDFS-11691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee reassigned HDFS-11691:
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Assignee: Kihwal Lee
> Add a proper scheme to the datanode links in NN web UI
> -
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Kihwal Lee updated HDFS-11691:
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Status: Patch Available (was: Open)
> Add a proper scheme to the datanode links in NN web UI
>
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Kihwal Lee updated HDFS-11691:
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Attachment: HDFS-11691.patch
> Add a proper scheme to the datanode links in NN web UI
>
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Kihwal Lee updated HDFS-11691:
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Description:
On the datanodes page of the namenode web UI, the datanode links may not be
correct if the
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https://issues.apache.org/jira/browse/HDFS-11691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HDFS-11691:
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Description:
On the datanodes page of the namenode web UI, the datanode links may not be
correct if the
Kihwal Lee created HDFS-11691:
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Summary: Add a proper scheme to the datanode links in NN web UI
Key: HDFS-11691
URL: https://issues.apache.org/jira/browse/HDFS-11691
Project: Hadoop HDFS
Issue Ty
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https://issues.apache.org/jira/browse/HDFS-9922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978923#comment-15978923
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Kihwal Lee edited comment on HDFS-9922 at 4/21/17 3:58 PM:
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Don't
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https://issues.apache.org/jira/browse/HDFS-9922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978923#comment-15978923
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Kihwal Lee commented on HDFS-9922:
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Don't we need this in 2.8?
> Upgrade Domain placement
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https://issues.apache.org/jira/browse/HDFS-11609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15977517#comment-15977517
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Kihwal Lee commented on HDFS-11609:
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[~jojochuang], would you look at the updated patch?
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https://issues.apache.org/jira/browse/HDFS-11661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15974623#comment-15974623
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Kihwal Lee commented on HDFS-11661:
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[~xiaochen], [~jingzhao], any thoughts? We've inte
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https://issues.apache.org/jira/browse/HDFS-11609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15973539#comment-15973539
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Kihwal Lee commented on HDFS-11609:
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Unit test failures are not related to the patch. I
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Kihwal Lee updated HDFS-11609:
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Attachment: HDFS-11609_v2.trunk.patch
HDFS-11609_v2.branch-2.patch
Attaching the updated
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Kihwal Lee commented on HDFS-11609:
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Agree it is a blocker. I will update the patch tod
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https://issues.apache.org/jira/browse/HDFS-11648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HDFS-11648:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.1
3.0.0-alpha3
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