Started by GitHub push by ti-chi-bot[bot]00205382053842863428631.025559255590684225019501916889e5f57b4c7c24e0ec6457f38e04a31e92b2f75739e5f57b4c7c24e0ec6457f38e04a31e92b2f7573origin/main9e5f57b4c7c24e0ec6457f38e04a31e92b2f75739e5f57b4c7c24e0ec6457f38e04a31e92b2f7573origin/main9e5f57b4c7c24e0ec6457f38e04a31e92b2f75739e5f57b4c7c24e0ec6457f38e04a31e92b2f7573origin/mainhttps://github.com/PingCAP-QE/ci.githttps://do.pingcap.net/jenkins/blue/organizations/jenkins/seed/detail/seed/1688/artifactshttps://do.pingcap.net/jenkins/blue/organizations/jenkins/seed/detail/seed/1688/changeshttps://do.pingcap.net/jenkins/blue/organizations/jenkins/seed/detail/seed/1688/https://do.pingcap.net/jenkins/blue/organizations/jenkins/seed/detail/seed/1688/testsfalse#16884286352568seed #16881688falsefalse16883682963SUCCESS1778757026939https://do.pingcap.net/jenkins/job/seed/1688/default-spj9qprow-jobs/pingcap/tiflash/latest-presubmits.yaml9e5f57b4c7c24e0ec6457f38e04a31e92b2f75731778756997000https://do.pingcap.net/jenkins/user/noreplynoreplynoreply@github.comci(prow): stabilize tiflash sanitizer presubmits (#4589) ## Summary This PR updates the TiFlash sanitizer presubmit jobs in `prow-jobs/pingcap/tiflash/latest-presubmits.yaml` to make ASAN/TSAN runs more stable and reduce infra-related failures. ## Changes - increase sanitizer job resources from `12c/48Gi` to `24c/64Gi` - tune parallelism: - `ASan`: `build_jobs=20`, `test_workers=16` - `TSan`: `build_jobs=20`, `test_workers=10` - use per-job `RUSTUP_HOME` and `CARGO_HOME` - `unset RUSTUP_TOOLCHAIN` before build - preinstall the Rust toolchain before `ninja`, with retry on failure - add `pod_pending_timeout: 30m` ## Why Recent sanitizer jobs were unstable for infra/runtime reasons before reaching useful test results: - Rust toolchain installation could fail when multiple Rust targets triggered `rustup` during the build - sanitizer builds, especially ASAN, were too close to the memory limit - some jobs spent too long in pending state before starting These changes aim to make sanitizer jobs stability. ## Validation ### on master - https://prow.tidb.net/view/gs/prow-tidb-logs/pr-logs/pull/pingcap_tiflash/10835/pull-sanitizer-tsan/2054787523078524928 - https://prow.tidb.net/view/gs/prow-tidb-logs/pr-logs/pull/pingcap_tiflash/10835/pull-sanitizer-asan/2054539288770514944 <img width="773" height="228" alt="image" src="https://github.com/user-attachments/assets/46022c65-761b-4444-8f8a-cd3668d17913" /> <img width="762" height="256" alt="image" src="https://github.com/user-attachments/assets/6cc58358-6982-42a0-8380-19f8d56a7218" /> ### on feature/fts - https://prow.tidb.net/view/gs/prow-tidb-logs/pr-logs/pull/pingcap_tiflash/10834/pull-sanitizer-tsan/2054811158065451008 - https://prow.tidb.net/view/gs/prow-tidb-logs/pr-logs/pull/pingcap_tiflash/10834/pull-sanitizer-asan/2054514829502189568 <img width="815" height="237" alt="image" src="https://github.com/user-attachments/assets/0c816e6b-f42e-4052-84c5-9583be7f4953" /> <img width="821" height="256" alt="image" src="https://github.com/user-attachments/assets/b4447164-6716-45df-aaff-fd4531444c57" /> --------- Signed-off-by: lyb <yebin.li@pingcap.com> 2026-05-14 11:09:57 +00009e5f57b4c7c24e0ec6457f38e04a31e92b2f7573ci(prow): stabilize tiflash sanitizer presubmits (#4589)editprow-jobs/pingcap/tiflash/latest-presubmits.yamlgithttps://do.pingcap.net/jenkins/user/noreplynoreplynoreply