[#2536] feat(spark): Controllable concurrency for overlapping compression #2541
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What changes were proposed in this pull request?
Introduce extra the option to control the concurrency of overlapping compression.
Why are the changes needed?
for #2536 .
Decoupling compression concurrency from the transfer pool is essential for resource isolation and performance stability, especially under multi-tenant or CPU-constrained environments.
Does this PR introduce any user-facing change?
Yes.
rss.client.write.overlappingCompressionThreads=-1
.About overlapping compression related config options, I will add it into doc in another PR
How was this patch tested?
Unit tests.