[jdk17u-dev] RFR: 8318467: [jmh] tests concurrent.Queues and concurrent.ProducerConsumer hang with 101+ threads

[duke]

On Mon, 27 Oct 2025 21:37:40 GMT, Roland Mesde <duke at openjdk.org> wrote:

> Backporting JDK-8318467: Tests concurrent.Queues and concurrent.ProducerConsumer hang with 101+ threads. Adjusted the capacity of the queues. Updated the copyright notice, which had a merge conflict. Ran GHA Sanity Checks (1 unrelated test failure - java/lang/ProcessBuilder/Basic.java#id0) and adjusted tests (passed). Patch is clean.
> 
> time java -jar build/*/images/test/micro/benchmarks.jar -f 1 -wi 2 -w 10 -i 2 -r 15 -t 240 -bm thrpt -tu ms -p type=ABQ_F java.util.concurrent.Queues
> 
> ...
> 20.06 user
> 42.21 system
> 0:50.64 elapsed
> ...
> 
> time java -jar build/*/images/test/micro/benchmarks.jar -f 1 -wi 2 -w 10 -i 2 -r 15 -t 240 -bm thrpt -tu ms -p type=ABQ_F java.util.concurrent.ProducerConsumer
> 
> ...
> 98.89 user
> 257.56 system
> 4:54.02 elapsed
> ...

@rm-gh-8 
Your change (at version 0bba9ddf2726b342edcb270bcebb616e40449840) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/4118#issuecomment-3468547676