RFR: 8377949: TestZRelocationSetEvent.java intermittent fails OOME

SendaoYan syan at openjdk.org
Fri Feb 20 08:30:11 UTC 2026


On Mon, 16 Feb 2026 10:26:51 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> Hi all,
>> 
>> Test jdk/jfr/event/gc/detailed/TestZRelocationSetEvent.java intermittent fails since test report "java.lang.OutOfMemoryError: Java heap space". The test log shows that the 32M max heap memory is not enough to finish the invoke `Events.fromRecording(recording)` -> `RecordingFile.readAllEvents(List)` sometimes.
>> 
>> This PR change the max heap memory to 64M to make test more ronustness. Test intermittent failure probability about 1/50 before this PR; Test run 10k times and all passed after the proposed patch.
>
> Marked as reviewed by stefank (Reviewer).

Thanks for the reviews @stefank @mgronlun

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PR Comment: https://git.openjdk.org/jdk/pull/29732#issuecomment-3932374544


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