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Posted to hdfs-issues@hadoop.apache.org by "Jose Luis López (Jira)" <ji...@apache.org> on 2026/10/09 20:11:00 UTC
[jira] [Assigned] (HDFS-17991) TestFSNLockBenchmarkThroughput#testFineGrainedLockingBenchmarkThroughput1 times out intermittently
[ https://issues.apache.org/jira/browse/HDFS-17991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jose Luis López reassigned HDFS-17991:
--------------------------------------
Assignee: Jose Luis López
> TestFSNLockBenchmarkThroughput#testFineGrainedLockingBenchmarkThroughput1 times out intermittently
> --------------------------------------------------------------------------------------------------
>
> Key: HDFS-17991
> URL: https://issues.apache.org/jira/browse/HDFS-17991
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Reporter: Jose Luis López
> Assignee: Jose Luis López
> Priority: Major
>
> {{TestFSNLockBenchmarkThroughput#testFineGrainedLockingBenchmarkThroughput1}} is flaky: it sometimes hits the 600 second timeout, independently of the change under test.
> Seen in the GHA Build workflow:
> {noformat}
> [WARNING] Flakes:
> [WARNING] org.apache.hadoop.hdfs.server.namenode.fgl.TestFSNLockBenchmarkThroughput.testFineGrainedLockingBenchmarkThroughput1
> [ERROR] Run 1: TestFSNLockBenchmarkThroughput.testFineGrainedLockingBenchmarkThroughput1 » Timeout testFineGrainedLockingBenchmarkThroughput1() timed out after 600 seconds
> {noformat}
> {{TestFSNLockBenchmarkThroughput}} has also been listed among the failed tests in Yetus precommit reports of unrelated pull requests since at least June 2025 (e.g. https://github.com/apache/hadoop/pull/7754 and the HADOOP-19912 precommits).
> Each test case starts a {{MiniQJMHACluster}} with 10 DataNodes and runs {{FSNLockBenchmarkThroughput}} with up to 1000 clients, which is a benchmark rather than a unit test and can exceed the timeout on a loaded CI host.
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