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https://issues.apache.org/jira/browse/HDFS-17801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17987161#comment-17987161
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ASF GitHub Bot commented on HDFS-17801:
---------------------------------------
hadoop-yetus commented on PR #7762:
URL: https://github.com/apache/hadoop/pull/7762#issuecomment-3023006327
:confetti_ball: **+1 overall**
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|:----:|----------:|--------:|:--------:|:-------:|
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|||| _ trunk Compile Tests _ |
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| +1 :green_heart: | compile | 2m 38s | | trunk passed with JDK
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|||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 23s | | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 1m 3s | | the patch passed |
| +1 :green_heart: | compile | 2m 52s | | the patch passed with JDK
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| +1 :green_heart: | javac | 2m 52s | | the patch passed |
| +1 :green_heart: | compile | 2m 37s | | the patch passed with JDK
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| +1 :green_heart: | javac | 2m 37s | | the patch passed |
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issues. |
| +1 :green_heart: | checkstyle | 0m 35s | | the patch passed |
| +1 :green_heart: | mvnsite | 1m 11s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 57s | | the patch passed with JDK
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| +1 :green_heart: | javadoc | 1m 23s | | the patch passed with JDK
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|||| _ Other Tests _ |
| +1 :green_heart: | unit | 2m 6s | | hadoop-hdfs-client in the patch
passed. |
| +1 :green_heart: | unit | 55m 34s | | hadoop-hdfs in the patch
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| +1 :green_heart: | asflicense | 0m 28s | | The patch does not
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| | | 154m 19s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.51 ServerAPI=1.51 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7762/8/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/7762 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 5da6a78a303c 5.15.0-136-generic #147-Ubuntu SMP Sat Mar 15
15:53:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 299330dbc2cd8f5b13ea0dc01a7350033c7bba53 |
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| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7762/8/testReport/ |
| Max. process+thread count | 3779 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client
hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7762/8/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.
> EC: Reading support retryCurrentNode to avoid transient errors cause
> application level failures
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-17801
> URL: https://issues.apache.org/jira/browse/HDFS-17801
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Major
> Labels: pull-request-available
>
> *Description of PR*
> Under the 3-replication read implementation, when an IOException occurs,
> there is the retryCurrentNode mechanism.
> This is very useful to avoid application level failures due to transient
> errors (e.g. Datanode could have closed the connection because the client is
> idle for too long). Please refer to below codes :
> [https://github.com/apache/hadoop/blob/6eae1589aeea9bd9c6885e405bd9be5ef6199df7/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java#L824-L828]
> We should make EC read also support this mechanism.
> BTW, this issue is motivated by the failure of our cluster's applications
> failure when we change the data from 3-rep to EC policy.
> *How was this patch tested?*
> Add an unit test.
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