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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/06/03 15:26:07 UTC
[GitHub] [hadoop] lfxy opened a new pull request, #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
lfxy opened a new pull request, #4398:
URL: https://github.com/apache/hadoop/pull/4398
[HDFS-16613](https://issues.apache.org/jira/browse/HDFS-16613)
In a hdfs cluster with a lot of EC blocks, decommission a dn is very slow. The reason is unlike replication blocks can be replicated from any dn which has the same block replication, the ec block have to be replicated from the decommissioning dn.
The configurations dfs.namenode.replication.max-streams and dfs.namenode.replication.max-streams-hard-limit will limit the replication speed, but increase these configurations will create risk to the whole cluster's network. So it should add a new configuration to limit the decommissioning dn, distinguished from the cluster wide max-streams limit.
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[GitHub] [hadoop] jojochuang merged pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
jojochuang merged PR #4398:
URL: https://github.com/apache/hadoop/pull/4398
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[GitHub] [hadoop] lfxy commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
lfxy commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1157448224
@hi-adachi . Excuse me, what is the next process? Will this PR be merged into the trunk branch?
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[GitHub] [hadoop] hi-adachi commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
hi-adachi commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1153039075
@lfxy I think so too. The javadoc failure is filed as HDFS-16629 and the failed test passed in my local.
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[GitHub] [hadoop] lfxy commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
lfxy commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1152896054
@hi-adachi ,thank you for your suggestion. I have add a test case for decommissioning node. Please review.
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[GitHub] [hadoop] hadoop-yetus commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1152976059
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[GitHub] [hadoop] hadoop-yetus commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1152974229
:broken_heart: **-1 overall**
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[GitHub] [hadoop] hi-adachi commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
hi-adachi commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1158359483
@lfxy The PR was merged, this is just FYI, the contribution guide says as follows. Thank you for your contribution.
> https://cwiki.apache.org/confluence/display/hadoop/how+to+contribute
> Once a "+1" comment is received from the automated patch testing system and a code reviewer has set the Reviewed flag on the issue's Jira, a committer should then evaluate it within a few days and either: commit it; or reject it with an explanation.
>
> Please be patient. Committers are busy people too. If no one responds to your patch after a few days, please make friendly reminders. Please incorporate other's suggestions into your patch if you think they're reasonable. Finally, remember that even a patch that is not committed is useful to the community.
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[GitHub] [hadoop] hi-adachi commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
hi-adachi commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1152877937
It would be good to add a test case where decommission in progress to testPendingRecoveryTasks.
```
private void verifyPendingRecoveryTasks(
int numReplicationBlocks, int numECBlocks,
- int maxTransfers, int numReplicationTasks, int numECTasks)
+ int maxTransfers, int maxTransfersHardLimit, int numReplicationTasks, int numECTasks, boolean isDecommissioning)
throws IOException {
FSNamesystem fsn = Mockito.mock(FSNamesystem.class);
Mockito.when(fsn.hasWriteLock()).thenReturn(true);
Configuration conf = new Configuration();
conf.setInt(DFSConfigKeys.DFS_NAMENODE_REPLICATION_MAX_STREAMS_KEY, maxTransfers);
+ conf.setInt(DFSConfigKeys.DFS_NAMENODE_REPLICATION_STREAMS_HARD_LIMIT_KEY, maxTransfersHardLimit);
DatanodeManager dm = Mockito.spy(mockDatanodeManager(fsn, conf));
DatanodeDescriptor nodeInfo = Mockito.mock(DatanodeDescriptor.class);
Mockito.when(nodeInfo.isRegistered()).thenReturn(true);
Mockito.when(nodeInfo.getStorageInfos())
.thenReturn(new DatanodeStorageInfo[0]);
+ Mockito.when(nodeInfo.isDecommissionInProgress()).thenReturn(isDecommissioning);
```
```
verifyPendingRecoveryTasks(30, 30, 20, 30, 15, 15, true);
```
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[GitHub] [hadoop] lfxy commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
lfxy commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1158429085
@hi-adachi OK, I see, thank you very much!
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[GitHub] [hadoop] hadoop-yetus commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1146376572
:confetti_ball: **+1 overall**
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| +1 :green_heart: | asflicense | 1m 13s | | The patch does not generate ASF License warnings. |
| | | 362m 31s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/1/artifact/out/Dockerfile |
| GITHUB PR | https://github.com/apache/hadoop/pull/4398 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 6ade7b0526af 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / f99a2cfe30196ca4b6574020d739c3f65f257d65 |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
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| Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/1/testReport/ |
| Max. process+thread count | 3520 (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-4398/1/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 |
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[GitHub] [hadoop] hadoop-yetus commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1152961036
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 36s | | Docker mode activated. |
|||| _ 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 1 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 36m 47s | | trunk passed |
| +1 :green_heart: | compile | 1m 41s | | trunk passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 |
| +1 :green_heart: | compile | 1m 38s | | trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 1m 27s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 47s | | trunk passed |
| -1 :x: | javadoc | 1m 24s | [/branch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/2/artifact/out/branch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1.txt) | hadoop-hdfs in trunk failed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1. |
| +1 :green_heart: | javadoc | 1m 46s | | trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 3m 43s | | trunk passed |
| +1 :green_heart: | shadedclient | 23m 10s | | branch has no errors when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 22s | | the patch passed |
| +1 :green_heart: | compile | 1m 26s | | the patch passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 |
| +1 :green_heart: | javac | 1m 26s | | the patch passed |
| +1 :green_heart: | compile | 1m 19s | | the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 1m 19s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks issues. |
| +1 :green_heart: | checkstyle | 1m 2s | | the patch passed |
| +1 :green_heart: | mvnsite | 1m 25s | | the patch passed |
| -1 :x: | javadoc | 0m 58s | [/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/2/artifact/out/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1.txt) | hadoop-hdfs in the patch failed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1. |
| +1 :green_heart: | javadoc | 1m 29s | | the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 3m 24s | | the patch passed |
| +1 :green_heart: | shadedclient | 22m 38s | | patch has no errors when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 258m 1s | [/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/2/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt) | hadoop-hdfs in the patch passed. |
| +1 :green_heart: | asflicense | 1m 14s | | The patch does not generate ASF License warnings. |
| | | 366m 39s | | |
| Reason | Tests |
|-------:|:------|
| Failed junit tests | hadoop.hdfs.TestReplaceDatanodeFailureReplication |
| | 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-4398/2/artifact/out/Dockerfile |
| GITHUB PR | https://github.com/apache/hadoop/pull/4398 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 37390e5abd47 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 22112b1d5346b6af6e3d217ffa810e9ca1afc91d |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/2/testReport/ |
| Max. process+thread count | 2973 (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-4398/2/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 |
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[GitHub] [hadoop] lfxy commented on pull request #4398: HDFS-16613. EC: Improve performance of decommissioning dn with many ec blocks
Posted by GitBox <gi...@apache.org>.
lfxy commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1152969214
@hi-adachi , I think the compile fail is not related to this pr, right? could you help me to check it?
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