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https://issues.apache.org/jira/browse/HDFS-17422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoqiao He resolved HDFS-17422.
--------------------------------
Fix Version/s: 3.5.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Enhance the stability of the unit test TestDFSAdmin
> ----------------------------------------------------
>
> Key: HDFS-17422
> URL: https://issues.apache.org/jira/browse/HDFS-17422
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: lei w
> Assignee: lei w
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> It has been observed that TestDFSAdmin frequently fails tests, such as
> [PR-6620|https://github.com/apache/hadoop/pull/6620]. The failure occurs when
> the test method testDecommissionDataNodesReconfig asserts the first line of
> the standard output. The issue arises when the content being checked does not
> appear on a single line. I believe we should change the method of testing.
> The standard output content, which was printed in
> [PR-6620|https://github.com/apache/hadoop/pull/6620], is as follows :
> {panel:title=TestInformation}
> 2024-03-11 02:36:19,442 [main] INFO tools.TestDFSAdmin
> (TestDFSAdmin.java:testDecommissionDataNodesReconfig(1356)) -
> outsForFinishReconf first element is Reconfiguring status for node
> [127.0.0.1:41361]: started at Mon Mar 11 02:36:18 UTC 2024 and finished at
> Mon Mar 11 02:36:18 UTC 2024., all element is [Reconfiguring status for node
> [127.0.0.1:41361]: started at Mon Mar 11 02:36:18 UTC 2024 and finished at
> Mon Mar 11 02:36:18 UTC 2024., SUCCESS: Changed property
> dfs.datanode.data.transfer.bandwidthPerSec, From: "0", To: "1000",
> Reconfiguring status for node [127.0.0.1:33073]: started at Mon Mar 11
> 02:36:18 UTC 2024 and finished at Mon Mar 11 02:36:18 UTC 2024., SUCCESS:
> Changed property dfs.datanode.data.transfer.bandwidthPerSec, From: "0",
> To: "1000", Retrieval of reconfiguration status successful on 2 nodes,
> failed on 0 nodes.], node1Addr is 127.0.0.1:41361 , node2Addr is
> 127.0.0.1:33073.
> {panel}
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