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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/10/26 04:58:31 UTC

[GitHub] [hadoop] simbadzina opened a new pull request, #5078: HDFS-16821: Fixes regression in HDFS-13522 that enables observer reads by default

simbadzina opened a new pull request, #5078:
URL: https://github.com/apache/hadoop/pull/5078

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   ### Fixes regression in HDFS-13522 that enables observer reads by default
   
   
   ### Refactored existing unit tests and added a new one **testReadWithoutObserverClientConfigurations** that failing before code change but not passes with the regression fixed.
   
   
   ### For code changes:
   
   - [ x] Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
   
   


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[GitHub] [hadoop] hadoop-yetus commented on pull request #5078: HDFS-16821: Fixes regression in HDFS-13522 that enables observer reads by default

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #5078:
URL: https://github.com/apache/hadoop/pull/5078#issuecomment-1294415341

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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[GitHub] [hadoop] omalley commented on pull request #5078: HDFS-16821: Fixes regression in HDFS-13522 that enables observer reads by default

Posted by GitBox <gi...@apache.org>.
omalley commented on PR #5078:
URL: https://github.com/apache/hadoop/pull/5078#issuecomment-1305886044

   +1 LGTM


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[GitHub] [hadoop] simbadzina commented on pull request #5078: HDFS-16821: Fixes regression in HDFS-13522 that enables observer reads by default

Posted by GitBox <gi...@apache.org>.
simbadzina commented on PR #5078:
URL: https://github.com/apache/hadoop/pull/5078#issuecomment-1297360423

   > @simbadzina Thanks for your contribution. Make sense and looks good to me. I just realized that [HDFS-13522](https://issues.apache.org/jira/browse/HDFS-13522) has been merged, after looked into the relate code, I have a question and looking forward your feedback.
   > 
   > 1. Should Router support forwarding the read request to the Observer NameNodes from the client not using the ObserverReadProxyProvider?
   
   Hi @ZanderXu. Thanks for looking.
   No, clients not using ObserverReadProxyProvider shouldn't have their reads forwarded. Observer reads should be an opt-in feature since clients that participate may need to msync. To maintain backward compatibility, using ObserverReadProxyProvider was the method for opting in.
   A future improvement that can be made is to provide an alternative flag to opt-in.


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[GitHub] [hadoop] hadoop-yetus commented on pull request #5078: HDFS-16821: Fixes regression in HDFS-13522 that enables observer reads by default

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #5078:
URL: https://github.com/apache/hadoop/pull/5078#issuecomment-1294098684

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[GitHub] [hadoop] hadoop-yetus commented on pull request #5078: HDFS-16821: Fixes regression in HDFS-13522 that enables observer reads by default

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #5078:
URL: https://github.com/apache/hadoop/pull/5078#issuecomment-1292598579

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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[GitHub] [hadoop] hadoop-yetus commented on pull request #5078: HDFS-16821: Fixes regression in HDFS-13522 that enables observer reads by default

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #5078:
URL: https://github.com/apache/hadoop/pull/5078#issuecomment-1291675723

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files found.  |
   | +0 :ok: |  codespell  |   0m  0s |  |  codespell was not available.  |
   | +0 :ok: |  detsecrets  |   0m  0s |  |  detect-secrets was not available.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to include 2 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
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   | +1 :green_heart: |  mvninstall  |  31m 53s |  |  trunk passed  |
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   | +1 :green_heart: |  shadedclient  |  25m  1s |  |  branch has no errors when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +0 :ok: |  mvndep  |   0m 29s |  |  Maven dependency ordering for patch  |
   | +1 :green_heart: |  mvninstall  |   1m 43s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   7m 51s |  |  the patch passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04  |
   | +1 :green_heart: |  javac  |   7m 51s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   7m 24s |  |  the patch passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  javac  |   7m 24s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks issues.  |
   | -0 :warning: |  checkstyle  |   1m 23s | [/results-checkstyle-hadoop-hdfs-project.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5078/1/artifact/out/results-checkstyle-hadoop-hdfs-project.txt) |  hadoop-hdfs-project: The patch generated 3 new + 3 unchanged - 0 fixed = 6 total (was 3)  |
   | +1 :green_heart: |  mvnsite  |   1m 44s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   1m 20s |  |  the patch passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04  |
   | +1 :green_heart: |  javadoc  |   1m 31s |  |  the patch passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   4m 29s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  24m 31s |  |  patch has no errors when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |   2m 37s |  |  hadoop-hdfs-client in the patch passed.  |
   | +1 :green_heart: |  unit  |  44m 47s |  |  hadoop-hdfs-rbf in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   0m 56s |  |  The patch does not generate ASF License warnings.  |
   |  |   | 206m 16s |  |  |
   
   
   | Subsystem | Report/Notes |
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   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5078/1/artifact/out/Dockerfile |
   | GITHUB PR | https://github.com/apache/hadoop/pull/5078 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
   | uname | Linux ec27b8aaa4ef 4.15.0-191-generic #202-Ubuntu SMP Thu Aug 4 01:49:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
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   | modules | C: hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs-rbf U: hadoop-hdfs-project |
   | Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5078/1/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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[GitHub] [hadoop] omalley merged pull request #5078: HDFS-16821: Fixes regression in HDFS-13522 that enables observer reads by default

Posted by GitBox <gi...@apache.org>.
omalley merged PR #5078:
URL: https://github.com/apache/hadoop/pull/5078


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