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Chao Sun commented on HDFS-6440:
Would love to see this feature in branch-2. How much work is involved to
Chao Sun created HDFS-12669:
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Summary: Implement toString() for EditLogInputStream
Key: HDFS-12669
URL: https://issues.apache.org/jira/browse/HDFS-12669
Project: Hadoop HDFS
Issue Type:
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Chao Sun commented on HDFS-12669:
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I want to assign this to myself and start contributing to HDFS. [~zhz],
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Chao Sun commented on HDFS-10702:
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Thanks [~clouderajiayi] and [~mackrorysd] for this great work! we are
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Chao Sun reassigned HDFS-12669:
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Assignee: Chao Sun
> Implement toString() for EditLogInputStream
>
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Chao Sun commented on HDFS-12669:
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Thanks [~andrew.wang]!
> Implement toString() for EditLogInputStream
>
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Chao Sun commented on HDFS-12836:
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Doesn't look like the test failures are related. [~jojochuang]: can you
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Chao Sun updated HDFS-12836:
Attachment: HDFS-12836.3.patch
Thanks [~jojochuang]. Attaching patch v3 to address the checkstyle issue.
>
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Chao Sun commented on HDFS-12836:
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[~jojochuang] The checkstyle passed but there are some failures again
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Chao Sun updated HDFS-12836:
Status: Patch Available (was: Open)
> startTxId could be greater than endTxId when tailing in-progress
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Chao Sun updated HDFS-12836:
Attachment: HDFS-12836.2.patch
Thanks [~jojochuang]. Yes I think this is a good suggestion. Uploaded patch
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Chao Sun commented on HDFS-12836:
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Thanks [~jojochuang] for the review!
> startTxId could be greater than
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Chao Sun updated HDFS-12932:
Attachment: HDFS-12932.0.patch
Attaching patch v0 to address the issue.
> Confusing LOG message for block
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Chao Sun updated HDFS-12932:
Status: Patch Available (was: Open)
> Confusing LOG message for block replication
>
Chao Sun created HDFS-12932:
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Summary: Confusing LOG message for block replication
Key: HDFS-12932
URL: https://issues.apache.org/jira/browse/HDFS-12932
Project: Hadoop HDFS
Issue Type:
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Chao Sun commented on HDFS-12943:
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[~chris.douglas] I did some experiment with the POC patch, on 2.8.3. It
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Chao Sun updated HDFS-12932:
Attachment: HDFS-12932.1.patch
Thanks [~vagarychen] for taking a look! Yes I agree it's probably better to
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Chao Sun updated HDFS-12932:
Attachment: (was: HDFS-12932.1.patch)
> Confusing LOG message for block replication
>
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Chao Sun updated HDFS-12932:
Attachment: HDFS-12932.1.patch
Re-attaching patch v1 to trigger jenkins.
> Confusing LOG message for block
Chao Sun created HDFS-12836:
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Summary: startTxId could be greater than endTxId when tailing
in-progress edit log
Key: HDFS-12836
URL: https://issues.apache.org/jira/browse/HDFS-12836
Project: Hadoop HDFS
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Chao Sun commented on HDFS-12836:
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This issue happens when not all NNs in the cluster enable the
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Chao Sun updated HDFS-12836:
Attachment: HDFS-12836.1.patch
Thanks [~jojochuang]. I attached a patch with a test case. It would be great
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Chao Sun commented on HDFS-12932:
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Thanks [~vagarychen] and [~ywskycn] for reviewing the patch!
> Fix
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Chao Sun commented on HDFS-12943:
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bq. Thanks Chao Sun, interesting results! You used only 1 SBN to server
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Chao Sun commented on HDFS-13522:
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Sounds good [~elgoiri]. I'll finish
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Chao Sun commented on HDFS-13286:
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Thanks [~xkrogen] for all the help!
> Add haadmin commands to
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Chao Sun commented on HDFS-13522:
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Yes [~elgoiri] I agree that on {{RouterRpcClient}} side the
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Chao Sun commented on HDFS-13578:
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[~xkrogen]: good point. I think we should recommend people to disable
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Chao Sun commented on HDFS-13600:
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Oops found out this is already resolved via HDFS-13364.
> Add
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Chao Sun resolved HDFS-13600.
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Resolution: Duplicate
> Add toString() for RemoteMethod
> ---
>
>
Chao Sun created HDFS-13600:
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Summary: Add toString() for RemoteMethod
Key: HDFS-13600
URL: https://issues.apache.org/jira/browse/HDFS-13600
Project: Hadoop HDFS
Issue Type: Sub-task
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Chao Sun commented on HDFS-13578:
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Thanks [~elgoiri]. Regarding:
{code}
for (Method m : allMethods) {
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Work on HDFS-12976 started by Chao Sun.
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> Introduce StandbyReadProxyProvider
> --
>
>
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Chao Sun updated HDFS-13578:
Status: Patch Available (was: Open)
> Add ReadOnly annotation to methods in ClientProtocol
>
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Chao Sun edited comment on HDFS-13578 at 5/25/18 8:50 PM:
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Thanks [~xkrogen]!
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Chao Sun commented on HDFS-13578:
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Thanks [~xkrogen]!
1. Regarding methods need ReadOnly, you're right, I
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Chao Sun commented on HDFS-13607:
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Thanks [~xkrogen]. The patch looks really good. I just have a few minor
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Chao Sun updated HDFS-13578:
Attachment: HDFS-13578-HDFS-12943.002.patch
> Add ReadOnly annotation to methods in ClientProtocol
>
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Chao Sun commented on HDFS-13578:
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Uploaded patch v2 to fix style issues.
> Add ReadOnly annotation to
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Chao Sun commented on HDFS-13602:
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Thanks [~xkrogen] for creating this JIRA. Submitted patch v0 to do the
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Chao Sun updated HDFS-13602:
Attachment: HDFS-13602.000.patch
> Optimize checkOperation(WRITE) check in FSNamesystem getBlockLocations
>
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Chao Sun updated HDFS-13602:
Status: Patch Available (was: Open)
> Optimize checkOperation(WRITE) check in FSNamesystem
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Chao Sun commented on HDFS-12978:
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[~shv]:
bq. When SBN is applying edits it holds like four different
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Chao Sun commented on HDFS-12978:
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bq. Much worse than that, when serving a segment, the JournalNode
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Chao Sun commented on HDFS-12978:
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[~shv] got it, although I'm not sure how effective this would be
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Chao Sun commented on HDFS-13578:
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[~elgoiri]: I see what you mean. Can this be done by adding a notice to
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Chao Sun commented on HDFS-13578:
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Got it. Will make the change.
bq. Not sure of the wording of XXX but
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Chao Sun commented on HDFS-13578:
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OK. Uploaded patch v4 to address the comments.
> Add ReadOnly
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Chao Sun updated HDFS-13578:
Attachment: HDFS-13578-HDFS-12943.004.patch
> Add ReadOnly annotation to methods in ClientProtocol
>
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Chao Sun updated HDFS-13578:
Attachment: HDFS-13578-HDFS-12943.000.patch
> Add ReadOnly annotation to methods in ClientProtocol
>
Chao Sun created HDFS-13578:
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Summary: Add ReadOnly annotation to methods in ClientProtocol
Key: HDFS-13578
URL: https://issues.apache.org/jira/browse/HDFS-13578
Project: Hadoop HDFS
Issue Type:
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Chao Sun commented on HDFS-13578:
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Thanks [~elgoiri]: updated patch v1 with test cases.
> Add ReadOnly
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Chao Sun updated HDFS-13578:
Attachment: HDFS-13578-HDFS-12943.001.patch
> Add ReadOnly annotation to methods in ClientProtocol
>
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Chao Sun commented on HDFS-13607:
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+1 on the simpler design in handling the layout versions. The latest
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Chao Sun updated HDFS-12976:
Attachment: HDFS-12976-HDFS-12943.000.patch
> Introduce StandbyReadProxyProvider
>
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Chao Sun updated HDFS-12976:
Attachment: HDFS-12976-HDFS-12943.000.patch
> Introduce StandbyReadProxyProvider
>
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Chao Sun updated HDFS-12976:
Attachment: (was: HDFS-12976-HDFS-12943.000.patch)
> Introduce StandbyReadProxyProvider
>
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Chao Sun commented on HDFS-12976:
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Thanks [~vagarychen]! I addressed most of your comments except this
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Chao Sun commented on HDFS-12976:
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Uploaded patch v0, and stripped off the parts about configuration and
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Chao Sun commented on HDFS-12976:
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Hey [~xkrogen]. Thanks for the feedback. The reason for keeping
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Chao Sun updated HDFS-13641:
Attachment: HDFS-13641.003.patch
> Add metrics for edit log tailing
> -
>
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Chao Sun commented on HDFS-13641:
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Thanks [~linyiqun]. I think the previous patch was checking metrics
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Chao Sun edited comment on HDFS-12976 at 6/13/18 6:27 AM:
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Thanks [~shv].
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Chao Sun edited comment on HDFS-12976 at 6/13/18 6:27 AM:
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Thanks [~shv].
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Chao Sun updated HDFS-12976:
Attachment: HDFS-12976-HDFS-12943.002.patch
> Introduce ObserverReadProxyProvider
>
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Chao Sun commented on HDFS-12976:
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Thanks [~shv]. Addressed the issues (should have enabled the
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Chao Sun updated HDFS-12976:
Status: Patch Available (was: In Progress)
> Introduce ObserverReadProxyProvider
>
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Chao Sun commented on HDFS-12976:
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Oops, my bad. Thanks [~xkrogen]!
> Introduce
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Chao Sun commented on HDFS-13674:
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Thanks [~linyiqun]! will appreciate your review :)
> Improve
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Chao Sun commented on HDFS-12976:
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Hmm.. there are some test failures that are related. Will fix and
Chao Sun created HDFS-13674:
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Summary: Improve documentation on Metrics
Key: HDFS-13674
URL: https://issues.apache.org/jira/browse/HDFS-13674
Project: Hadoop HDFS
Issue Type: Improvement
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Chao Sun commented on HDFS-12976:
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[~xkrogen]: let me know if I misunderstood anything - if someone is
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Chao Sun updated HDFS-13687:
Status: Patch Available (was: Open)
> ConfiguredFailoverProxyProvider could direct requests to SBN
>
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Chao Sun updated HDFS-13687:
Attachment: HDFS-13687.000.patch
> ConfiguredFailoverProxyProvider could direct requests to SBN
>
Chao Sun created HDFS-13687:
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Summary: ConfiguredFailoverProxyProvider could direct requests to
SBN
Key: HDFS-13687
URL: https://issues.apache.org/jira/browse/HDFS-13687
Project: Hadoop HDFS
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Chao Sun commented on HDFS-13687:
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cc [~shv], [~xkrogen].
> ConfiguredFailoverProxyProvider could direct
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Chao Sun commented on HDFS-12976:
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[~shv] Yes, I created HDFS-13687 to fix this. Could you take a look?
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Chao Sun updated HDFS-12976:
Attachment: HDFS-12976-HDFS-12943.001.patch
> Introduce ObserverReadProxyProvider
>
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Chao Sun commented on HDFS-12976:
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Thanks [~xkrogen], [~vagarychen] and [~shv], for the very helpful
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Chao Sun updated HDFS-12976:
Summary: Introduce ObserverReadProxyProvider (was: Introduce
ObeserverReadProxyProvider)
> Introduce
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Chao Sun updated HDFS-12976:
Summary: Introduce ObeserverReadProxyProvider (was: Introduce
StandbyReadProxyProvider)
> Introduce
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Chao Sun commented on HDFS-12976:
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Sure [~elgoiri]: I can extract this and put it in a separate JIRA. It
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Chao Sun commented on HDFS-12976:
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Merged trunk into HDFS-12943 and uploaded patch v1.
> Introduce
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Chao Sun commented on HDFS-12976:
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Yes that's the issue. However, if we keep the logic in
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Chao Sun updated HDFS-12976:
Attachment: HDFS-12976-HDFS-12943.003.patch
> Introduce ObserverReadProxyProvider
>
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Chao Sun commented on HDFS-12976:
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Adopted [~shv]'s suggestion and attached patch v3. The
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Chao Sun commented on HDFS-12976:
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Thanks. I'll create a JIRA for the refactoring. One minor issue is
Chao Sun created HDFS-13664:
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Summary: Refactor ConfiguredFailoverProxyProvider to make
inheritance easier
Key: HDFS-13664
URL: https://issues.apache.org/jira/browse/HDFS-13664
Project: Hadoop HDFS
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Chao Sun updated HDFS-13664:
Attachment: HDFS-13664.000.patch
> Refactor ConfiguredFailoverProxyProvider to make inheritance easier
>
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Chao Sun updated HDFS-13664:
Status: Patch Available (was: Open)
> Refactor ConfiguredFailoverProxyProvider to make inheritance easier
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Chao Sun commented on HDFS-13664:
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Attached patch v0. cc [~elgoiri], [~shv].
> Refactor
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Chao Sun commented on HDFS-13578:
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{quote}For the datanode methods, does it matter that it is marked as
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Chao Sun updated HDFS-13578:
Attachment: HDFS-13578-HDFS-12943.005.patch
> Add ReadOnly annotation to methods in ClientProtocol
>
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Chao Sun commented on HDFS-13578:
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Attached patch v5.
> Add ReadOnly annotation to methods in
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Chao Sun commented on HDFS-13578:
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Hmm... seems there are some other operations that are UNCHECKED and
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Chao Sun commented on HDFS-13578:
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Got it. Sorry I got confused on the UNCHECKED annotation. Will upload
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Chao Sun reassigned HDFS-13641:
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Assignee: Chao Sun
Description: We should add metrics for each iteration of edit log tailing,
Chao Sun created HDFS-13641:
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Summary: Add metrics for edit log tailin
Key: HDFS-13641
URL: https://issues.apache.org/jira/browse/HDFS-13641
Project: Hadoop HDFS
Issue Type: Sub-task
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Chao Sun updated HDFS-13641:
Status: Patch Available (was: Open)
> Add metrics for edit log tailing
>
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Chao Sun updated HDFS-13641:
Attachment: HDFS-13641-HDFS-12943.000.patch
> Add metrics for edit log tailing
>
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