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https://issues.apache.org/jira/browse/HDFS-14350?focusedWorklogId=480962&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-480962
]
ASF GitHub Bot logged work on HDFS-14350:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Sep/20 18:03
Start Date: 09/Sep/20 18:03
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #582:
URL: https://github.com/apache/hadoop/pull/582#issuecomment-689726036
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Comment |
|:----:|----------:|--------:|:--------|
| +0 :ok: | reexec | 0m 0s | Docker mode activated. |
| -1 :x: | patch | 0m 6s | https://github.com/apache/hadoop/pull/582
does not apply to trunk. Rebase required? Wrong Branch? See
https://wiki.apache.org/hadoop/HowToContribute for help. |
| Subsystem | Report/Notes |
|----------:|:-------------|
| GITHUB PR | https://github.com/apache/hadoop/pull/582 |
| JIRA Issue | HDFS-14350 |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-582/1/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
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Issue Time Tracking
-------------------
Worklog Id: (was: 480962)
Remaining Estimate: 0h
Time Spent: 10m
> dfs.datanode.ec.reconstruction.threads not take effect
> ------------------------------------------------------
>
> Key: HDFS-14350
> URL: https://issues.apache.org/jira/browse/HDFS-14350
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, ec
> Affects Versions: 3.2.0
> Reporter: hunshenshi
> Assignee: hunshenshi
> Priority: Major
> Fix For: 3.2.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In ErasureCodingWorker, stripedReconstructionPool is create by
> {code:java}
> initializeStripedBlkReconstructionThreadPool(conf.getInt(
> DFSConfigKeys.DFS_DN_EC_RECONSTRUCTION_THREADS_KEY,
> DFSConfigKeys.DFS_DN_EC_RECONSTRUCTION_THREADS_DEFAULT));
> private void initializeStripedBlkReconstructionThreadPool(int numThreads) {
> LOG.debug("Using striped block reconstruction; pool threads={}",
> numThreads);
> stripedReconstructionPool = DFSUtilClient.getThreadPoolExecutor(2,
> numThreads, 60, new LinkedBlockingQueue<>(),
> "StripedBlockReconstruction-", false);
> stripedReconstructionPool.allowCoreThreadTimeOut(true);
> }{code}
> so stripedReconstructionPool is a ThreadPoolExecutor, and the queue is a
> LinkedBlockingQueue, then the active thread is awalys 2, the
> dfs.datanode.ec.reconstruction.threads not take effect.
>
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