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Improve like perf for utf8 CI collation

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#10399 In pingcap/tiflash;

· ChangRui-Ryan opened on Sep 3, 2025

unstable ut <code>RegionKVStoreTestFAP.Cancel4</code>

component/storage

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#10391 In pingcap/tiflash;

· windtalker opened on Sep 2, 2025

[next gen on cloud] tiflash wn oom during running simulated workload

contributionThis PR is from a community contributor.This PR is from a community contributor.

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

may-affects-8.5

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#10382 In pingcap/tiflash;

· Lily2025 opened on Aug 28, 2025

The RU calculation in TableScan is inaccurate.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

component/storage

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#10380 In pingcap/tiflash;

· JinheLin opened on Aug 28, 2025

[TiDB Cloud] ch workload report mpp error after upgrading to v8.5.3 from v7.5

component/compute

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#10375 In pingcap/tiflash;

· jolynejo opened on Aug 27, 2025

Incorrect result of floor function

affects-5.4This bug affects the 5.4.x(LTS) versions.This bug affects the 5.4.x(LTS) versions.

affects-6.1This bug affects the 6.1.x(LTS) versions.This bug affects the 6.1.x(LTS) versions.

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

component/compute

impact/wrong-result

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#10365 In pingcap/tiflash;

· ChangRui-Ryan opened on Aug 26, 2025

refine LAC metrics of compute_ru_consumption and storage_ru_consumption

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#10363 In pingcap/tiflash;

· guo-shaoge opened on Aug 25, 2025

[next gen on clould] tiflash query is slow when cache missed

may-affects-7.5

may-affects-8.1

may-affects-8.5

nextgen

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#10356 In pingcap/tiflash;

· Lily2025 opened on Aug 21, 2025

MPPTask failed to be cancel for a simple limit query

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

component/compute

report/customerCustomers have encountered this bug.Customers have encountered this bug.

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#10347 In pingcap/tiflash;

· JaySon-Huang opened on Aug 14, 2025

one of tiflash oom when run ch workload

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

contributionThis PR is from a community contributor.This PR is from a community contributor.

may-affects-8.1

may-affects-8.5

severity/major

Status: Open.

#10338 In pingcap/tiflash;

· Lily2025 opened on Aug 11, 2025

fine grained shuffle occupy too much memory when max_threads is large

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#10337 In pingcap/tiflash;

· guo-shaoge opened on Aug 11, 2025

TiFlash may wait too long to start

component/storage

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#10333 In pingcap/tiflash;

· CalvinNeo opened on Aug 6, 2025