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https://issues.apache.org/jira/browse/HADOOP-19180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17874434#comment-17874434
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ASF GitHub Bot commented on HADOOP-19180:
-----------------------------------------
hadoop-yetus commented on PR #6813:
URL: https://github.com/apache/hadoop/pull/6813#issuecomment-2294663958
:broken_heart: **-1 overall**
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| +0 :ok: | reexec | 1m 11s | | Docker mode activated. |
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| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
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| +0 :ok: | detsecrets | 0m 0s | | detect-secrets was not available.
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| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
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| +1 :green_heart: | test4tests | 0m 0s | | The patch appears to
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| -1 :x: | mvninstall | 12m 14s |
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| -1 :x: | compile | 0m 26s |
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| +1 :green_heart: | shadedclient | 2m 52s | | branch has no errors
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| -0 :warning: | patch | 3m 19s | | Used diff version of patch file.
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| -1 :x: | cc | 0m 24s |
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| -1 :x: | golang | 0m 24s |
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| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 0m 22s |
[/buildtool-patch-checkstyle-hadoop-common-project_hadoop-common.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6813/10/artifact/out/buildtool-patch-checkstyle-hadoop-common-project_hadoop-common.txt)
| The patch fails to run checkstyle in hadoop-common |
| -1 :x: | mvnsite | 0m 24s |
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| -1 :x: | javadoc | 0m 24s |
[/patch-javadoc-hadoop-common-project_hadoop-common.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6813/10/artifact/out/patch-javadoc-hadoop-common-project_hadoop-common.txt)
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| -1 :x: | spotbugs | 0m 23s |
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| +1 :green_heart: | shadedclient | 3m 32s | | patch has no errors
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|||| _ Other Tests _ |
| -1 :x: | unit | 0m 24s |
[/patch-unit-hadoop-common-project_hadoop-common.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6813/10/artifact/out/patch-unit-hadoop-common-project_hadoop-common.txt)
| hadoop-common in the patch failed. |
| +0 :ok: | asflicense | 0m 17s | | ASF License check generated no
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| | | 23m 29s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.46 ServerAPI=1.46 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6813/10/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/6813 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets cc golang |
| uname | Linux 9f54ac9f52f0 5.15.0-117-generic #127-Ubuntu SMP Fri Jul 5
20:13:28 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / cfb4d02360ac7d47303f16041928cba91977377b |
| Default Java | Red Hat, Inc.-1.8.0_412-b08 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6813/10/testReport/ |
| Max. process+thread count | 57 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6813/10/console |
| versions | git=2.9.5 maven=3.6.3 |
| Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
This message was automatically generated.
> EC: Fix calculation errors caused by special index order
> --------------------------------------------------------
>
> Key: HADOOP-19180
> URL: https://issues.apache.org/jira/browse/HADOOP-19180
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Chenyu Zheng
> Assignee: Chenyu Zheng
> Priority: Critical
> Labels: pull-request-available
>
> I found that if the erasedIndexes distribution is such that the parity index
> is in front of the data index, ec will produce wrong results when decoding.
> In fact, HDFS-15186 has described this problem, but does not fundamentally
> solve it.
> The reason is that the code assumes that erasedIndexes is preceded by the
> data index and followed by parity index. If there is a parity index placed in
> front of the data index, a calculation error will occur.
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