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Posted to common-issues@hadoop.apache.org by "teamconfx (via GitHub)" <gi...@apache.org> on 2023/09/16 15:10:57 UTC
[GitHub] [hadoop] teamconfx opened a new pull request, #6087: HADOOP-17106: NameNode can timeout during initialization with dfs.datanode.volumes.replica-add.threadpool.size being 0
teamconfx opened a new pull request, #6087:
URL: https://github.com/apache/hadoop/pull/6087
### Description of PR
When `dfs.datanode.volumes.replica-add.threadpool.size` is 0, HDFS cluster is never able to start and gets timed out eventually.
To reproduce:
1. set `dfs.datanode.volumes.replica-add.threadpool.size` to 0
2. run `mvn surefire:test -Dtest=org.apache.hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics#testExcessBlocks`
This PR improves the description of `replica-add.threadpool.size` in `hdfs-default.xml` by sepecifying that it should be positive; the PR also checks whether the value is positive before it is used to initialize `addReplicaThreadPool`.
### How was this patch tested?
Unit test
### For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
- [ ] If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?
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[GitHub] [hadoop] hadoop-yetus commented on pull request #6087: HADOOP-17106: NameNode can timeout during initialization with dfs.datanode.volumes.replica-add.threadpool.size being 0
Posted by "hadoop-yetus (via GitHub)" <gi...@apache.org>.
hadoop-yetus commented on PR #6087:
URL: https://github.com/apache/hadoop/pull/6087#issuecomment-1722317506
:broken_heart: **-1 overall**
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|||| _ Other Tests _ |
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| +1 :green_heart: | unit | 195m 35s | | hadoop-hdfs in the patch passed. |
| +1 :green_heart: | asflicense | 1m 1s | | The patch does not generate ASF License warnings. |
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| GITHUB PR | https://github.com/apache/hadoop/pull/6087 |
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[GitHub] [hadoop] teamconfx closed pull request #6087: HADOOP-17106: NameNode can timeout during initialization with dfs.datanode.volumes.replica-add.threadpool.size being 0
Posted by "teamconfx (via GitHub)" <gi...@apache.org>.
teamconfx closed pull request #6087: HADOOP-17106: NameNode can timeout during initialization with dfs.datanode.volumes.replica-add.threadpool.size being 0
URL: https://github.com/apache/hadoop/pull/6087
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