[jdk21u-dev] Integrated: 8318467: [jmh] tests concurrent.Queues and concurrent.ProducerConsumer hang with 101+ threads

[Roland Mesde]

On Mon, 27 Oct 2025 21:48:18 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. Ran GHA Sanity Checks (passed) 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
> 
> ...
> 21.67 user
> 41.30 system
> 0:50.75 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
> 
> ...
> 105.22 user
> 270.30 system
> 5:09.03 elapsed
> ...

This pull request has now been integrated.

Changeset: b17a2374
Author:    Roland Mesde <mesde at amazon.com>
Committer: Victor Rudometov <vrudomet at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/b17a237408e7d83d856ab64b4872f498819ef44e
Stats:     12 lines in 2 files changed: 6 ins; 0 del; 6 mod

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

Backport-of: e05cafda78a37dbeb2df2edd791be19d22edaece

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PR: https://git.openjdk.org/jdk21u-dev/pull/2408