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Erik Krogen updated HDFS-14211:
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Attachment: HDFS-14211.002.patch
> [Consistent Observer Reads] Allow for configurable "always msync"
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Erik Krogen commented on HDFS-14211:
Hey [~ayushtkn], thanks for your concerns, they
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Erik Krogen commented on HDFS-14349:
Hi [~starphin], thanks for the input. I agree th
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Erik Krogen commented on HDFS-14211:
The {{TestConsistentReadsObserver}} failure is i
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Erik Krogen commented on HDFS-14276:
As [~csun] mentioned, that was a legitimate issu
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Erik Krogen commented on HDFS-14370:
[~jojochuang] I would love your input on this
>
Erik Krogen created HDFS-14370:
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Summary: Edit log tailing fast-path should allow for backoff
Key: HDFS-14370
URL: https://issues.apache.org/jira/browse/HDFS-14370
Project: Hadoop HDFS
Issue Typ
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Erik Krogen updated HDFS-14346:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.1.3
3.2.1
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Erik Krogen commented on HDFS-14211:
I agree that there is potential issue with that
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Erik Krogen updated HDFS-14211:
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Attachment: HDFS-14211.001.patch
> [Consistent Observer Reads] Allow for configurable "always msync"
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Erik Krogen commented on HDFS-14346:
Nice, LGTM but I think we can fix these two chec
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Erik Krogen commented on HDFS-14346:
Thanks [~csun], makes sense. I gave the patch a
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Erik Krogen commented on HDFS-14346:
Hey [~csun], the approach LGTM. We should probab
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Erik Krogen updated HDFS-14349:
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Target Version/s: 3.0.4, 3.3.0, 3.2.1, 3.1.3
> Edit log may be rolled more frequently than necessary
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Erik Krogen updated HDFS-14317:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
> Standby does not trigger edit lo
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Erik Krogen commented on HDFS-14317:
[~ekanth] I filed HDFS-14349 and assigned to you
Erik Krogen created HDFS-14349:
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Summary: Edit log may be rolled more frequently than necessary
with multiple Standby nodes
Key: HDFS-14349
URL: https://issues.apache.org/jira/browse/HDFS-14349
Project:
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Erik Krogen commented on HDFS-14317:
I synced with [~ekanth] offline and he informed
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Erik Krogen updated HDFS-14211:
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Status: Patch Available (was: In Progress)
Just posted up a v000 patch of this. It is pretty simple:
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Erik Krogen updated HDFS-14211:
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Attachment: HDFS-14211.000.patch
> [Consistent Observer Reads] Allow for configurable "always msync"
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Erik Krogen commented on HDFS-12345:
[~jojochuang], I think I agree with you except f
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Erik Krogen commented on HDFS-14346:
Hey [~csun], thanks for reporting.
This actuall
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Erik Krogen commented on HDFS-14084:
Hey [~dannytbecker], I think that would fix this
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Erik Krogen edited comment on HDFS-14084 at 3/7/19 9:19 PM:
H
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Work on HDFS-14211 started by Erik Krogen.
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> [Consistent Observer Reads] Allow for configurable "always msync" mode
> -
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Erik Krogen reassigned HDFS-14211:
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Assignee: Erik Krogen
> [Consistent Observer Reads] Allow for configurable "always msync" mode
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Erik Krogen updated HDFS-14317:
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Hadoop Flags: Reviewed
> Standby does not trigger edit log rolling when in-progress edit log tailing
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Erik Krogen commented on HDFS-14317:
Thanks for the explanation, [~ekanth]. +1 from m
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Erik Krogen updated HDFS-14317:
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Fix Version/s: 3.1.3
3.2.1
3.3.0
3.0.4
> Sta
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Erik Krogen edited comment on HDFS-14317 at 3/6/19 5:10 PM:
H
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Erik Krogen commented on HDFS-14317:
Hey [~ekanth], can you explain why the new test
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Erik Krogen commented on HDFS-12345:
Hey [~smeng], as you're pursuing this more activ
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Erik Krogen reassigned HDFS-12345:
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Assignee: Siyao Meng (was: Erik Krogen)
> Scale testing HDFS NameNode with real metadata and
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Erik Krogen updated HDFS-14272:
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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-14272:
Based on the +1 from [~shv] and the earlier revi
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Erik Krogen commented on HDFS-14305:
Backported to branch-3.2, branch-3.1, branch-3.0
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Erik Krogen updated HDFS-14305:
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Fix Version/s: 3.1.3
3.2.1
3.0.4
> Serial number in BlockTokenS
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Erik Krogen commented on HDFS-14317:
{quote}
the value is converted to seconds which
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Erik Krogen commented on HDFS-14084:
Sounds good, thanks [~jojochuang] :)
> Need for
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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-12345:
Hm. I wonder if it even makes sense for MiniDFSC
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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-14305:
[~arpitagarwal], thanks for asking, it's a good
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Erik Krogen commented on HDFS-14305:
Thanks [~hexiaoqiao], I agree. I updated the rel
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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 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 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-14084:
Hi [~pranay_singh], do you plan to complete this
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Erik Krogen commented on HDFS-14317:
Gotcha. Thank you for the detailed explanation -
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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-14305:
v006 patch LGTM. I agree that test failures are
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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-14317:
{quote}
I presume the reason why it also removes
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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:
Hey [~ekanth], thanks for reporting this. It see
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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-14272:
[~shv]:
{code}
Since proxies to individual NNs h
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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-14305:
The idea seems sound to me. The helper method fo
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Erik Krogen commented on HDFS-14279:
Thanks for the review, [~shv]. I just committed
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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-14305:
Thanks for reporting this [~csun]. Given that th
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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-14130:
Agreed that {{System.in}} is not the right appro
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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-14272:
{quote}
msync() on active NN if it is a new clie
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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-14130:
In the new test, it seems weird to be mixing the
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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 updated HDFS-14279:
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Attachment: HDFS-14279.001.patch
> [SBN Read] Race condition in ObserverReadProxyProvider
> -
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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-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 commented on HDFS-14272:
[~shv], [~vagarychen], [~csun], appreciate if an
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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-14216:
Sure, I see the logic for using DEBUG level. I'm
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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-14297:
Hi [~Tao Jie], do the directories you are monito
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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-14279:
The intent is to avoid routing through a {{synch
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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-14284:
Interesting problem. Can you maybe post a sample
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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-14162:
Just committed to trunk based off of Konstantin'
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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-14277:
Thanks Wei-Chiu. I don't see any calls to {{isCo
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Erik Krogen commented on HDFS-14277:
Thanks for reporting this [~jojochuang]! Do you
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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-14276:
Hey [~jojochuang], great find, thanks for report
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https://issues.apache.org/jira/browse/HDFS-14272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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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-14272:
Attached v001 patch which adds some optimization
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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 updated HDFS-14279:
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Attachment: HDFS-14279.000.patch
> [SBN Read] Race condition in ObserverReadProxyProvider
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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 commented on HDFS-14262:
+1 from me. Just committed to trunk. Thanks [~sh
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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 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 commented on HDFS-14162:
Attached a v004 patch addressing the checkstyle
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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-14272:
This problem is harder than I thought.
Initiall
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