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Chao Sun updated HDFS-14366:
Description:
In our HDFS cluster we observed that {{append}} operation can take as much as
10X write lock
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Chao Sun updated HDFS-14366:
Attachment: append-flamegraph.png
> Improve HDFS append performance
> ---
>
>
Chao Sun created HDFS-14366:
---
Summary: Improve HDFS append performance
Key: HDFS-14366
URL: https://issues.apache.org/jira/browse/HDFS-14366
Project: Hadoop HDFS
Issue Type: Improvement
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Chao Sun commented on HDFS-14211:
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One potential downside with this approach, IMO, is that {{msync}}
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Chao Sun commented on HDFS-14205:
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Turned out I need to generate the patch using {{--binary}} flag. There
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Chao Sun commented on HDFS-14346:
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Thanks [~xkrogen] for the reviewing! changed the title and
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Chao Sun updated HDFS-14346:
Description:
Currently, {{Configuration#getTimeDuration}} has the following signature:
{code}
/**
*
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Chao Sun updated HDFS-14205:
Attachment: HDFS-14205-branch-2.009.patch
> Backport HDFS-6440 to branch-2
>
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Chao Sun updated HDFS-14346:
Status: Patch Available (was: Open)
> EditLogTailer loses precision for sub-second edit log tailing and
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Chao Sun updated HDFS-14346:
Attachment: HDFS-14346.000.patch
> EditLogTailer loses precision for sub-second edit log tailing and
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Chao Sun updated HDFS-14205:
Attachment: HDFS-14205-branch-2.008.patch
> Backport HDFS-6440 to branch-2
>
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Chao Sun commented on HDFS-14346:
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Thanks [~xkrogen]! You are totally right - we need be careful to
Chao Sun created HDFS-14346:
---
Summary: EditLogTailer loses precision for sub-second edit log
tailing and rolling interval
Key: HDFS-14346
URL: https://issues.apache.org/jira/browse/HDFS-14346
Project:
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Chao Sun commented on HDFS-14205:
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Hmm... all the failed tests are passing locally on my laptop..
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Chao Sun commented on HDFS-14205:
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Re-attach patch v6 to trigger jenkins.
> Backport HDFS-6440 to
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Chao Sun updated HDFS-14205:
Attachment: HDFS-14205-branch-2.007.patch
> Backport HDFS-6440 to branch-2
>
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Chao Sun updated HDFS-14205:
Attachment: HDFS-14205-branch-2.006.patch
> Backport HDFS-6440 to branch-2
>
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Chao Sun commented on HDFS-14317:
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Regarding the time unit issue for log rolling and tailing, perhaps we
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Chao Sun updated HDFS-14205:
Attachment: HDFS-14205-branch-2.005.patch
> Backport HDFS-6440 to branch-2
>
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Chao Sun commented on HDFS-14305:
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[~arpitagarwal] yes like [~xkrogen] said, without this fix, a
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Chao Sun commented on HDFS-14205:
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Oops a typo in v4. Uploaded patch v5.
> Backport HDFS-6440 to
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Chao Sun updated HDFS-14317:
Status: Patch Available (was: Open)
> Standby does not trigger edit log rolling when in-progress edit log
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Chao Sun updated HDFS-14205:
Attachment: HDFS-14205-branch-2.004.patch
> Backport HDFS-6440 to branch-2
>
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Chao Sun commented on HDFS-14205:
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Thanks [~vagarychen]. Jenkins is working now. I'll investigate the
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Chao Sun commented on HDFS-14205:
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Attached patch v3. The main change is that we forgot to use
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Chao Sun edited comment on HDFS-14205 at 2/27/19 12:02 AM:
---
Attached patch v3.
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Chao Sun updated HDFS-14205:
Attachment: HDFS-14205-branch-2.003.patch
> Backport HDFS-6440 to branch-2
>
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Chao Sun commented on HDFS-14205:
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Sorry for the delay [~vagarychen]. I'm working on an updated patch
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Chao Sun commented on HDFS-14305:
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Patch looks good to me as well. Thanks [~hexiaoqiao]!
Some nits:
#
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Chao Sun reassigned HDFS-14305:
---
Assignee: He Xiaoqiao (was: Chao Sun)
> Serial number in BlockTokenSecretManager could overlap
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Chao Sun commented on HDFS-14130:
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+1 on patch v11.
> Make ZKFC ObserverNode aware
>
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Chao Sun commented on HDFS-14272:
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Thanks [~xkrogen]. The change on {{msync}} looks good to me. Some very
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Chao Sun commented on HDFS-14130:
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Thanks [~shv]. I'm slightly more in favor of the System.in approach
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Chao Sun commented on HDFS-14305:
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Thanks [~hexiaoqiao]. One potential issue with the patch 001 is that
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Chao Sun commented on HDFS-14305:
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[~jojochuang] this problem is not related to observer nodes - it could
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Chao Sun updated HDFS-14305:
Issue Type: Bug (was: Improvement)
> Serial number in BlockTokenSecretManager could overlap between
Chao Sun created HDFS-14305:
---
Summary: Serial number in BlockTokenSecretManager could overlap
between different namenodes
Key: HDFS-14305
URL: https://issues.apache.org/jira/browse/HDFS-14305
Project:
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Chao Sun edited comment on HDFS-14130 at 2/21/19 5:51 PM:
--
[~xkrogen]: yes, I
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Chao Sun commented on HDFS-14130:
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[~xkrogen]: yes, I will also take a look at the this today.
> Make
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Chao Sun commented on HDFS-14130:
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Seems the test failure on \{{testManualFailoverWithDFSHAAdmin}} is
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Chao Sun commented on HDFS-14284:
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Agree this could be useful. Perhaps we can make this optional by
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Chao Sun commented on HDFS-14276:
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Not sure if I understand this correctly. With in-progress edit log
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Chao Sun updated HDFS-14250:
Summary: [SBN read] msync should sync with active NameNode to fetch the
latest stateID (was: [Standby
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Chao Sun updated HDFS-14250:
Attachment: HDFS-14250.001.patch
> [Standby Reads] msync should sync with active NameNode to fetch the
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Chao Sun commented on HDFS-14250:
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Thanks [~xkrogen]! Attached patch v1 to address the comment.
>
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Chao Sun updated HDFS-14250:
Attachment: HDFS-14250.000.patch
> [Standby Reads] msync should sync with active NameNode to fetch the
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Chao Sun updated HDFS-14250:
Status: Patch Available (was: Open)
> [Standby Reads] msync should sync with active NameNode to fetch the
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Chao Sun commented on HDFS-14250:
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Yes, I think we can just use {{activeOnly}} for this type of purpose.
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Chao Sun commented on HDFS-14250:
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[~xkrogen] you are right. Maybe {{msync}} can simply be a write call
Chao Sun created HDFS-14250:
---
Summary: [Standby Reads] msync should sync with active NameNode to
fetch the latest stateID
Key: HDFS-14250
URL: https://issues.apache.org/jira/browse/HDFS-14250
Project:
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Chao Sun commented on HDFS-14118:
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I'm not sure if we need any new config in {{core-default.xml}} for
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Chao Sun commented on HDFS-14205:
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[~vagarychen] seems the patch no longer applies to branch-2. Could you
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Chao Sun commented on HDFS-14118:
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Thanks [~fengnanli]. Patch v5 looks better. Some (most minor)
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Chao Sun commented on HDFS-14130:
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Thanks for the update [~xiangheng]. The test failure seems related.
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Chao Sun commented on HDFS-14205:
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Cool. Thanks [~vagarychen]. I can take a look at these. Also we may
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Chao Sun reassigned HDFS-14205:
---
Assignee: Chao Sun
> Backport HDFS-6440 to branch-2
> --
>
>
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Chao Sun commented on HDFS-14118:
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I think overall it makes sense to have the resolver pluggable so other
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Chao Sun commented on HDFS-14130:
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Thanks [~xiangheng]. I think you may need to add the test in
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Chao Sun commented on HDFS-14130:
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Hi [~xiangheng]: this is not related to HDFS-14067. What I mean is a
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Chao Sun commented on HDFS-14130:
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[~xiangheng]: yes that's what I mean.
> Make ZKFC ObserverNode aware
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Chao Sun commented on HDFS-14130:
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Hi [~xiangheng]: thanks for working on this, the patch looks good. I
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Chao Sun commented on HDFS-14211:
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Thanks for filing this [~xkrogen]! I think this will be a very useful
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Chao Sun commented on HDFS-14168:
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Oh, cool! I'll mark this as a duplicate then.
> Fix
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Chao Sun resolved HDFS-14168.
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Resolution: Duplicate
> Fix TestWebHdfsTimeouts
> ---
>
> Key:
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Chao Sun commented on HDFS-11043:
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Seems this test is still keep failing. Filed HDFS-14168 to track it.
Chao Sun created HDFS-14168:
---
Summary: Fix TestWebHdfsTimeouts
Key: HDFS-14168
URL: https://issues.apache.org/jira/browse/HDFS-14168
Project: Hadoop HDFS
Issue Type: Test
Components:
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Chao Sun reassigned HDFS-13522:
---
Assignee: Chao Sun
> Support observer node from Router-Based Federation
>
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Chao Sun reassigned HDFS-13152:
---
Assignee: Chao Sun
> Support observer reads for WebHDFS
> ---
>
>
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Chao Sun updated HDFS-14154:
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: HDFS-12943
Status: Resolved
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Chao Sun commented on HDFS-14154:
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Oops. My bad.
> Document dfs.ha.tail-edits.period in user guide.
>
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Chao Sun updated HDFS-14154:
Attachment: (was: HDFS-14154-HDFS-12943.001.patch)
> Document dfs.ha.tail-edits.period in user guide.
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Chao Sun updated HDFS-14154:
Attachment: HDFS-14154-HDFS-12943.001.patch
> Document dfs.ha.tail-edits.period in user guide.
>
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Chao Sun commented on HDFS-14160:
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[~shv]: Hadoop QA is complaining about an extra whitespace. Could you
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Chao Sun updated HDFS-14154:
Attachment: HDFS-14154-HDFS-12943.001.patch
> Document dfs.ha.tail-edits.period in user guide.
>
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Chao Sun commented on HDFS-14154:
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Attached patch v1 to address comments.
> Document
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Chao Sun commented on HDFS-14154:
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Thanks [~xkrogen] for the great comments. Will fix the typo and
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Chao Sun commented on HDFS-14154:
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Attached patch v0.
> Document dfs.ha.tail-edits.period in user guide.
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Chao Sun updated HDFS-14154:
Attachment: HDFS-14154-HDFS-12943.000.patch
> Document dfs.ha.tail-edits.period in user guide.
>
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Chao Sun updated HDFS-14154:
Status: Patch Available (was: Open)
> Document dfs.ha.tail-edits.period in user guide.
>
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Chao Sun commented on HDFS-14160:
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+1. LGTM with pending tests.
> ObserverReadInvocationHandler should
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Chao Sun commented on HDFS-14116:
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OK. I was just concerned that in some edge cases people may be caught
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Chao Sun commented on HDFS-12943:
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[~brahmareddy] [~xkrogen]: unfortunately I can't provide enough data
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Chao Sun commented on HDFS-14116:
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Thanks [~shv]. I'm fine with forbidding using ORPP with any protocol
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Chao Sun updated HDFS-14154:
Summary: Document dfs.ha.tail-edits.period in user guide. (was: Add
explanation for
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https://issues.apache.org/jira/browse/HDFS-12943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16723278#comment-16723278
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Chao Sun commented on HDFS-12943:
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I think we should document {{dfs.ha.tail-edits.period}} in the user
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Chao Sun updated HDFS-14154:
Issue Type: Sub-task (was: New Feature)
Parent: HDFS-12943
> Add explanation for
Chao Sun created HDFS-14154:
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Summary: Add explanation for dfs.ha.tail-edits.period in user
guide.
Key: HDFS-14154
URL: https://issues.apache.org/jira/browse/HDFS-14154
Project: Hadoop HDFS
Issue
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https://issues.apache.org/jira/browse/HDFS-14149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Sun updated HDFS-14149:
Attachment: HDFS-14149-HDFS-12943.002.patch
> Adjust annotations on new interfaces/classes for SBN reads.
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Chao Sun commented on HDFS-14149:
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Rebase.
> Adjust annotations on new interfaces/classes for SBN reads.
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Chao Sun commented on HDFS-14116:
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[~shv]: If I understand correctly, the reason to add this in
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Chao Sun updated HDFS-14149:
Attachment: HDFS-14149-HDFS-12943.001.patch
> Adjust annotations on new interfaces/classes for SBN reads.
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Chao Sun commented on HDFS-14149:
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Oops - missed these. Thanks [~shv]. Attached patch v1.
> Adjust
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Chao Sun reassigned HDFS-6469:
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Assignee: Chao Sun (was: Konstantin Shvachko)
> Coordinated replication of the namespace using
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Chao Sun edited comment on HDFS-14146 at 12/14/18 6:38 PM:
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Attached patch v3
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Chao Sun updated HDFS-14146:
Attachment: HDFS-14146-HDFS-12943.003.patch
> Handle exception from internalQueueCall
>
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Chao Sun commented on HDFS-14146:
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Attached patch v3 to address the checkstyle issues as well as removing
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Chao Sun commented on HDFS-14138:
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[~xiangheng]: sure, let me remove that duplication.
> Description
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Chao Sun updated HDFS-14116:
Summary: ObserverReadProxyProvider should work with protocols other than
ClientProtocol (was: Fix a
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Chao Sun commented on HDFS-14116:
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Thanks [~vagarychen] for verifying the failed tests. Attached patch v4
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Chao Sun updated HDFS-14149:
Status: Patch Available (was: Open)
> Adjust annotations on new interfaces/classes for SBN reads.
>
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