On Wed, 13 Mar 2024 07:53:30 GMT, Christoph Langer <clan...@openjdk.org> wrote:

> 4f336085d1098e7fba7b58f0a73c028179a2a13d 
> ([JDK-8326718](https://bugs.openjdk.org/browse/JDK-8326718)) added a few 
> cases to test java/util/Formatter/Padding.java with huge Strings as 
> arguments. Since all possible argument combinations for the test are stored 
> in one array, nothing can be garbage collected while the test is running and 
> the heap requirement is blown up.
> 
> In one of our test pipelines we run tier1 tests with VMs that default to 384M 
> of heap and this is not sufficient any longer.
> 
> I'm improving this by splitting the one large @ParameterizedTest into 
> multiple ones. With that, I could run the test successfully in a test VM with 
> 96M of heap, e.g. by modifying `@run junit Padding` to `@run junit/othervm 
> -Xmx96m Padding`

This pull request has now been integrated.

Changeset: 128e60a2
Author:    Christoph Langer <clan...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/128e60a29f1bd1e1fbe165ac382107070858ecc6
Stats:     650 lines in 1 file changed: 343 ins; 269 del; 38 mod

8328037: Test java/util/Formatter/Padding.java has unnecessary high heap 
requirement after JDK-8326718

Reviewed-by: rgiulietti

-------------

PR: https://git.openjdk.org/jdk/pull/18264

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