[#2545] feat: Align with spark executor cores on overlapping compression #2548
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jerqi
approved these changes
Jul 22, 2025
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What changes were proposed in this pull request?
Make the overlapping compression threads pool's threads number aligned with the spark executor vcores by the ratio of per vcore.
Why are the changes needed?
Compression is a computing sensitive workload, we'd better to obey the rule of vcores allocation.
Does this PR introduce any user-facing change?
Yes.
rss.client.write.overlappingCompressionThreadsPerVcore = -1How was this patch tested?
existing unit tests.