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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2021/02/16 07:46:00 UTC

[GitHub] [hadoop] LeonGao91 opened a new pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

LeonGao91 opened a new pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704


   


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[GitHub] [hadoop] hadoop-yetus commented on pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#issuecomment-779818125


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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[GitHub] [hadoop] Jing9 commented on pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
Jing9 commented on pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#issuecomment-784514331


   The current change looks good to me. +1
   
   @LeonGao91  Could you please re-trigger the build to pass the checks?


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[GitHub] [hadoop] LeonGao91 commented on pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
LeonGao91 commented on pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#issuecomment-784823074


   Thanks @Jing9 ! Build is good now.


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[GitHub] [hadoop] hadoop-yetus commented on pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#issuecomment-780212593


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
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   | +1 :green_heart: |   |   0m  0s | [test4tests](test4tests) |  The patch appears to include 1 new or modified test files.  |
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[GitHub] [hadoop] LeonGao91 commented on a change in pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
LeonGao91 commented on a change in pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#discussion_r578840318



##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/metrics/DataNodeMetrics.java
##########
@@ -188,6 +188,15 @@
   @Metric MutableCounterLong packetsSlowWriteToDisk;
   @Metric MutableCounterLong packetsSlowWriteToOsCache;
 
+  @Metric("Number of replaceBlock ops between" +
+      " storage types on same host with local copy")
+  private MutableCounterLong replaceBlockOpOnSameHostWithCopy;
+  @Metric("Number of replaceBlock ops between" +
+      " storage types on same disk mount using hardlink")
+  private MutableCounterLong replaceBlockOpOnSameHostWithHardlink;

Review comment:
       Yeah sounds good, OnSameHost can include OnSameMount actually. I will make the change.




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[GitHub] [hadoop] hadoop-yetus commented on pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#issuecomment-781858678


   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[GitHub] [hadoop] hadoop-yetus commented on pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#issuecomment-782481131


   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files found.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain any @author tags.  |
   | +1 :green_heart: |   |   0m  0s | [test4tests](test4tests) |  The patch appears to include 1 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  35m 14s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   1m 21s |  |  trunk passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04  |
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   | +1 :green_heart: |  checkstyle  |   1m  4s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   1m 21s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  17m 46s |  |  branch has no errors when building and testing our client artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 54s |  |  trunk passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javadoc  |   1m 22s |  |  trunk passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08  |
   | +0 :ok: |  spotbugs  |   3m 14s |  |  Used deprecated FindBugs config; considering switching to SpotBugs.  |
   | +1 :green_heart: |  findbugs  |   3m 11s |  |  trunk passed  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   1m 12s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 14s |  |  the patch passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javac  |   1m 14s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m  6s |  |  the patch passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08  |
   | +1 :green_heart: |  javac  |   1m  6s |  |  the patch passed  |
   | +1 :green_heart: |  checkstyle  |   0m 59s |  |  the patch passed  |
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   | +1 :green_heart: |  whitespace  |   0m  0s |  |  The patch has no whitespace issues.  |
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   |||| _ Other Tests _ |
   | -1 :x: |  unit  | 214m 40s | [/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2704/4/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt) |  hadoop-hdfs in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   0m 38s |  |  The patch does not generate ASF License warnings.  |
   |  |   | 308m  8s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | Failed junit tests | hadoop.hdfs.TestRollingUpgrade |
   |   | hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2704/4/artifact/out/Dockerfile |
   | GITHUB PR | https://github.com/apache/hadoop/pull/2704 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle |
   | uname | Linux 484da49dbdae 4.15.0-101-generic #102-Ubuntu SMP Mon May 11 10:07:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / d28b6f90c8c |
   | Default Java | Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 |
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   |  Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2704/4/testReport/ |
   | Max. process+thread count | 2617 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
   | Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2704/4/console |
   | versions | git=2.25.1 maven=3.6.3 findbugs=4.0.6 |
   | Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
   
   
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[GitHub] [hadoop] Jing9 merged pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
Jing9 merged pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704


   


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[GitHub] [hadoop] Jing9 commented on a change in pull request #2704: HDFS-15781. Add metrics for how blocks are moved in replaceBlock.

Posted by GitBox <gi...@apache.org>.
Jing9 commented on a change in pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#discussion_r578815508



##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/metrics/DataNodeMetrics.java
##########
@@ -188,6 +188,15 @@
   @Metric MutableCounterLong packetsSlowWriteToDisk;
   @Metric MutableCounterLong packetsSlowWriteToOsCache;
 
+  @Metric("Number of replaceBlock ops between" +
+      " storage types on same host with local copy")
+  private MutableCounterLong replaceBlockOpOnSameHostWithCopy;
+  @Metric("Number of replaceBlock ops between" +
+      " storage types on same disk mount using hardlink")
+  private MutableCounterLong replaceBlockOpOnSameHostWithHardlink;

Review comment:
       Both "withHardlink" and "withCopy" are our block movement implementation. If in the future we change our implementation these names may no long hold. How about we change the metric names to "OnSameHost" and "OnSameMount" ? But then we need to think more about their semantic meanings. Maybe "OnSameHost" also includes the "OnSameMount"... Thoughts?




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