Limit TPCC SDK network thread multiplication#11
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Co-authored-by: Maksim Zinal <zinal@ydb.tech>
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May 25, 2026
https://github.com/yandex/toolchain-registry/releases/tag/clang20-v11 commit_hash:c6c1941e56195a7d4d4744c12f618e1de67bf886
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Changelog entry
Reduce CPU overhead from SDK network threads in
ydb workload tpcc run.Changelog category
Description for reviewers
ydb workload tpcc runmay create multiple SDK drivers/query clients. Each driver previously used the full CLI network-intensive thread count, so the total gRPC completion-queue thread footprint scaled asdriverCount * networkThreadCount.This PR keeps the existing total network thread budget from
TConfig::GetNetworkThreadNum()and distributes it across TPCC drivers, with at least one network thread per driver. The run log now includes the per-driver network-thread count.Validation: