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SapMachine (21) #2250: Add adjustments to heap dumps for the buildpack#2281

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SapMachine (21) #2250: Add adjustments to heap dumps for the buildpack#2281
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@schmelter-sap

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This adds the same features for the heap dump changes in the buildpack done in 25+ to 21.

Since 21 doesn't have the problematic segemented heap dump, the fixes for that are omitted. The -XX:HeapDumpParallelism is kept for compatibility from 25+, but has no effect here (you cannot set the number of threads used for the heap dump in this implementation).

Additionally the checks for not triggering a "normal" segmented heap dump in the test was removed.

fixes #2250

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Hello @schmelter-sap, this pull request fulfills all formal requirements.

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Hello @schmelter-sap, this pull request fulfills all formal requirements.

@RealCLanger RealCLanger changed the title Add heap dump features for buildpack for sapmachine21 SapMachine (21) #2250: Add adjustments to heap dumps for the buildpack Jun 17, 2026
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