lei w created HDFS-17422:
----------------------------
Summary: 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
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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