[jdk21u-dev] Integrated: 8313355: javax/management/remote/mandatory/notif/ListenerScaleTest.java failed with "Exception: Failed: ratio=792.2791601423487"

[Satyen Subramaniam]

On Wed, 4 Jun 2025 17:17:08 GMT, Satyen Subramaniam <ssubramaniam at openjdk.org> wrote:

> Backporting JDK-8313355: javax/management/remote/mandatory/notif/ListenerScaleTest.java failed with "Exception: Failed: ratio=792.2791601423487". The `javax/management/remote/mandatory/notif/ListenerScaleTest.java` test fails intermittently - this change preserves the function of the test, while minimizing/removing intermittent failures. Specifically, the test exists to check that notification work does not scale linearly with number of MBeans, so it calculates a ratio of the time taken with one, and with 20,000 MBeans. We can increase the point at which that calculated ratio is considered a failure: original commit chooses 2500. Ran GHA Sanity Checks, local Tier 1 and 2, and adjusted test. Patch is clean.

This pull request has now been integrated.

Changeset: 2ac7476f
Author:    Satyen Subramaniam <ssubramaniam at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/2ac7476f11f5c4e71f52a9e6f72624df874d680d
Stats:     4 lines in 1 file changed: 2 ins; 0 del; 2 mod

8313355: javax/management/remote/mandatory/notif/ListenerScaleTest.java failed with "Exception: Failed: ratio=792.2791601423487"

Backport-of: debf0ecfb0076f5513595c74038215520d630764

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PR: https://git.openjdk.org/jdk21u-dev/pull/1849