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Erik Krogen commented on HDFS-13880:
[~vagarychen] -
{quote}
The original thought wa
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Erik Krogen edited comment on HDFS-13880 at 9/10/18 3:27 PM:
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Erik Krogen commented on HDFS-13898:
Nice find [~csun]! The change to production code
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Erik Krogen edited comment on HDFS-13898 at 9/11/18 7:47 PM:
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Erik Krogen commented on HDFS-13898:
I explored for a while how to do this without a
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Erik Krogen commented on HDFS-13749:
Nice, v003 looks good to me [~csun]. A few minor
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Erik Krogen commented on HDFS-14211:
{quote}
Does that mean every read operation will
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Erik Krogen commented on HDFS-14214:
Hi [~xuzq_zander], thanks for reporting this iss
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Erik Krogen commented on HDFS-14238:
I could be wrong, but I always interpreted this
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Erik Krogen commented on HDFS-14250:
I think #2 is not necessary -- this will be hand
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Erik Krogen commented on HDFS-14250:
I don't think we want to make it write anything
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Erik Krogen commented on HDFS-14250:
v000 patch LGTM, only minor nit is that I would
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Erik Krogen commented on HDFS-14250:
Great ! +1 from me pending Jenkins, will commit
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Erik Krogen commented on HDFS-14084:
Hey folks, I was testing out this patch and noti
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Erik Krogen commented on HDFS-14084:
Also, if the metrics system _is_ initialized pro
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Erik Krogen commented on HDFS-14245:
HAProxy will attempt to create an {{ObserverRead
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Erik Krogen updated HDFS-14250:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.3.0
Status: Resolved
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Erik Krogen commented on HDFS-14250:
The exceptions do not look related. TestBalancer
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Erik Krogen edited comment on HDFS-14250 at 2/6/19 5:55 PM:
T
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Erik Krogen commented on HDFS-14250:
Jenkins failure does not look related to this pa
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Erik Krogen updated HDFS-14162:
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Attachment: HDFS-14162.001.patch
> Balancer should work with ObserverNode
> -
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Erik Krogen commented on HDFS-14162:
I had some discussion offline with [~shv] and he
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Erik Krogen commented on HDFS-14262:
Thanks for the ping [~jojochuang]! I don't think
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Erik Krogen updated HDFS-14162:
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Attachment: HDFS-14162.002.patch
> Balancer should work with ObserverNode
> -
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Erik Krogen commented on HDFS-14162:
Thanks [~shv]. I just attached v002 proxy with t
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Erik Krogen updated HDFS-14162:
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Attachment: ReflectionBenchmark.java
> Balancer should work with ObserverNode
> -
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Erik Krogen commented on HDFS-14162:
I ran a JMH benchmark to see about performance d
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Erik Krogen edited comment on HDFS-14162 at 2/13/19 4:38 PM:
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Erik Krogen updated HDFS-14162:
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Attachment: HDFS-14162.003.patch
> Balancer should work with ObserverNode
> -
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Erik Krogen commented on HDFS-14262:
[~brahmareddy] It should never happen. This log
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Erik Krogen edited comment on HDFS-14262 at 2/13/19 5:21 PM:
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Erik Krogen reassigned HDFS-14272:
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Assignee: Erik Krogen
> [SBN read] HDFS command line tools does not guarantee consistency
> --
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Erik Krogen commented on HDFS-14272:
I don't see us handling this logic anywhere. I t
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Erik Krogen commented on HDFS-14272:
Hey [~jojochuang], thanks for reporting. This sh
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Erik Krogen commented on HDFS-14271:
Hey [~jojochuang], thanks for reporting. What I
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Erik Krogen edited comment on HDFS-14271 at 2/13/19 6:45 PM:
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Erik Krogen updated HDFS-14272:
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Status: Patch Available (was: Open)
> [SBN read] HDFS command line tools does not guarantee consiste
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Erik Krogen updated HDFS-14272:
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Attachment: HDFS-14272.000.patch
> [SBN read] HDFS command line tools does not guarantee consistency
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Erik Krogen commented on HDFS-14272:
This problem is harder than I thought.
Initiall
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Erik Krogen updated HDFS-14162:
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Attachment: HDFS-14162.004.patch
> Balancer should work with ObserverNode
> -
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Erik Krogen commented on HDFS-14162:
Attached a v004 patch addressing the checkstyle
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Erik Krogen updated HDFS-14262:
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Fix Version/s: 3.3.0
> [SBN read] Unclear Log.WARN message in GlobalStateIdContext
>
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Erik Krogen updated HDFS-14262:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
> [SBN read] Unclear Log.WARN mess
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Erik Krogen commented on HDFS-14262:
+1 from me. Just committed to trunk. Thanks [~sh
Erik Krogen created HDFS-14279:
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Summary: [SBN Read] Race condition in ObserverReadProxyProvider
Key: HDFS-14279
URL: https://issues.apache.org/jira/browse/HDFS-14279
Project: Hadoop HDFS
Issue
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Erik Krogen updated HDFS-14279:
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Attachment: HDFS-14279.000.patch
> [SBN Read] Race condition in ObserverReadProxyProvider
> -
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Erik Krogen updated HDFS-14279:
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Status: Patch Available (was: Open)
Attaching v000 patch which addresses this problem by having {{ch
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Erik Krogen commented on HDFS-14272:
Attached v001 patch which adds some optimization
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Erik Krogen updated HDFS-14272:
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Attachment: HDFS-14272.001.patch
> [SBN read] HDFS command line tools does not guarantee consistency
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Erik Krogen commented on HDFS-14276:
Hey [~jojochuang], great find, thanks for report
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Erik Krogen edited comment on HDFS-14277 at 2/14/19 7:18 PM:
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Erik Krogen commented on HDFS-14277:
Thanks for reporting this [~jojochuang]! Do you
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Erik Krogen commented on HDFS-14277:
Thanks Wei-Chiu. I don't see any calls to {{isCo
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Erik Krogen updated HDFS-14162:
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Resolution: Fixed
Fix Version/s: 3.3.0
Status: Resolved (was: Patch Available)
> B
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Erik Krogen commented on HDFS-14162:
Just committed to trunk based off of Konstantin'
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Erik Krogen commented on HDFS-14277:
Okay, interesting. Seems that it's at least wort
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Erik Krogen commented on HDFS-14284:
Interesting problem. Can you maybe post a sample
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Erik Krogen commented on HDFS-14284:
Makes sense to me. IIRC that information may not
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Erik Krogen commented on HDFS-14279:
The intent is to avoid routing through a {{synch
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Erik Krogen commented on HDFS-14216:
Hi [~xiaoheipangzi], thanks for fixing this impo
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Erik Krogen commented on HDFS-14297:
Hi [~Tao Jie], do the directories you are monito
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Erik Krogen commented on HDFS-14292:
Hi [~belugabehr], the reasoning makes sense to m
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Erik Krogen commented on HDFS-14216:
Sure, I see the logic for using DEBUG level. I'm
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Erik Krogen commented on HDFS-14297:
Sure, it seems reasonable to me. I see the value
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Erik Krogen commented on HDFS-14272:
[~shv], [~vagarychen], [~csun], appreciate if an
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Erik Krogen updated HDFS-14272:
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Summary: [SBN read] ObserverReadProxyProvider should sync with active txnID
on startup (was: [SBN re
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Erik Krogen edited comment on HDFS-14272 at 2/20/19 6:37 PM:
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Erik Krogen updated HDFS-14279:
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Attachment: HDFS-14279.001.patch
> [SBN Read] Race condition in ObserverReadProxyProvider
> -
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Erik Krogen commented on HDFS-14279:
I ran some benchmarks offline and found that the
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Erik Krogen commented on HDFS-14130:
In the new test, it seems weird to be mixing the
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Erik Krogen commented on HDFS-14292:
[~kihwal] or [~daryn], I'm curious if either of
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Erik Krogen commented on HDFS-14272:
{quote}
msync() on active NN if it is a new clie
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Erik Krogen edited comment on HDFS-14272 at 2/21/19 4:28 PM:
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Erik Krogen commented on HDFS-14130:
Agreed that {{System.in}} is not the right appro
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Erik Krogen commented on HDFS-14279:
[~shv], does the new patch look good to you?
>
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Erik Krogen commented on HDFS-14305:
Thanks for reporting this [~csun]. Given that th
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Erik Krogen updated HDFS-14279:
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Resolution: Fixed
Fix Version/s: 3.3.0
Status: Resolved (was: Patch Available)
> [
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Erik Krogen commented on HDFS-14279:
Thanks for the review, [~shv]. I just committed
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Erik Krogen commented on HDFS-14305:
The idea seems sound to me. The helper method fo
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Erik Krogen updated HDFS-14272:
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Attachment: HDFS-14272.002.patch
> [SBN read] ObserverReadProxyProvider should sync with active txnID
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Erik Krogen commented on HDFS-14272:
[~shv]:
{code}
Since proxies to individual NNs h
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Erik Krogen updated HDFS-14272:
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Attachment: (was: HDFS-14272.002.patch)
> [SBN read] ObserverReadProxyProvider should sync with a
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Erik Krogen updated HDFS-14272:
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Attachment: HDFS-14272.002.patch
> [SBN read] ObserverReadProxyProvider should sync with active txnID
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Erik Krogen commented on HDFS-14317:
Hey [~ekanth], thanks for reporting this. It see
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Erik Krogen commented on HDFS-14305:
It looks fine to me. [~vagarychen] has done some
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Erik Krogen commented on HDFS-14317:
{quote}
I presume the reason why it also removes
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Erik Krogen updated HDFS-14305:
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Component/s: namenode
> Serial number in BlockTokenSecretManager could overlap between different
> n
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Erik Krogen commented on HDFS-14305:
v006 patch LGTM. I agree that test failures are
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Erik Krogen updated HDFS-14305:
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Release Note: NameNodes rely on independent block token key ranges to
communicate block token identit
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Erik Krogen commented on HDFS-14317:
Gotcha. Thank you for the detailed explanation -
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Erik Krogen commented on HDFS-14084:
Hi [~pranay_singh], do you plan to complete this
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Erik Krogen updated HDFS-14305:
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Release Note: NameNodes rely on independent block token key ranges to
communicate block token identit
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https://issues.apache.org/jira/browse/HDFS-14305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erik Krogen updated HDFS-14305:
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Release Note: NameNodes rely on independent block token key ranges to
communicate block token identit
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https://issues.apache.org/jira/browse/HDFS-14305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erik Krogen updated HDFS-14305:
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Resolution: Fixed
Fix Version/s: 3.3.0
Status: Resolved (was: Patch Available)
> S
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Erik Krogen commented on HDFS-14305:
Thanks [~hexiaoqiao], I agree. I updated the rel
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Erik Krogen commented on HDFS-14305:
[~arpitagarwal], thanks for asking, it's a good
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Erik Krogen commented on HDFS-14317:
The production code all LGTM. I have a few comme
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Erik Krogen commented on HDFS-12345:
Hm. I wonder if it even makes sense for MiniDFSC
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Erik Krogen commented on HDFS-14317:
{quote}
Unfortunately, dfs.ha.tail-edits.period
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Erik Krogen commented on HDFS-14084:
Sounds good, thanks [~jojochuang] :)
> Need for
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