RFR: 8346998: Test nsk/jvmti/ResourceExhausted/resexhausted003 fails with java.lang.OutOfMemoryError when CDS is off

[David Holmes]

On Tue, 7 Jan 2025 03:09:59 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> Test nsk/jvmti/ResourceExhausted/resexhausted003  limits metaspace size. 9m is not enough if sharing classes are disabled.
> It starts failing with -XX:+UseCompactObjectHeaders just because CDS archives are no built  this mode.  Never executed with CDS off before.
> 
> Verified that it pass now with CDS off with and without UseCompactObjectHeaders.
> 
> I removed also other heap limits just because they are not needed and only might confuse test readers.

test/hotspot/jtreg/vmTestbase/nsk/jvmti/ResourceExhausted/resexhausted003/TestDescription.java line 43:

> 41:  *      -agentlib:resexhausted=-waittime=5
> 42:  *      -Xms64m
> 43:  *      -Xmx64m

Don't you need these to ensure we get OOME in a reasonable amount of time on systems with huge memories?

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PR Review Comment: https://git.openjdk.org/jdk/pull/22936#discussion_r1904887081