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A large number of sync load timeouts occur when a node restarts or a new node starts up

component/statistics

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#64196 In pingcap/tidb;

· 0xPoe opened on Oct 30, 2025

Stats Healthy metric cannot display the stats health correctly

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/statistics

severity/moderate

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#64080 In pingcap/tidb;

· 0xPoe opened on Oct 21, 2025

Add Grafana metrics and alerts for failed statistics collection tasks

component/statistics

sig/plannerSIG: PlannerSIG: Planner

type/feature-requestCategorizes issue or PR as related to a new feature.Categorizes issue or PR as related to a new feature.

Status: Open.

#63934 In pingcap/tidb;

· 0xPoe opened on Oct 13, 2025

Deprecate analyze version 1

component/statistics

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#63579 In pingcap/tidb;

· 0xPoe opened on Sep 17, 2025

Turn off auto-analyze after restoring with the plan replayer

component/statistics

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#63462 In pingcap/tidb;

· 0xPoe opened on Sep 11, 2025

Deprecate the TiDBEnableAsyncMergeGlobalStats variable

component/statistics

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#63439 In pingcap/tidb;

· 0xPoe opened on Sep 10, 2025

The plan replayer failed to restore the last update version of the histogram correctly

component/statistics

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#63402 In pingcap/tidb;

· 0xPoe opened on Sep 8, 2025

Provide a best-practice / troubleshooting / Q&A doc for stats and analyze

component/statistics

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

Status: Open.

#63396 In pingcap/tidb;

· 0xPoe opened on Sep 7, 2025

Improve Analyze Time Window Behavior

component/statistics

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#62009 In pingcap/tidb;

· 0xPoe opened on Jun 25, 2025

Async load cannot delete unnecessary items when there is no histogram metadata for the table

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#59024 In pingcap/tidb;

· 0xPoe opened on Jan 17, 2025

Simplifying TiDB Statistics Collection: Unifying Concurrency Controls

component/statistics

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#57867 In pingcap/tidb;

· 0xPoe opened on Dec 2, 2024

The statistics metric cannot correctly display the stats health

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

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

component/statistics

severity/moderate

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#57176 In pingcap/tidb;

· 0xPoe opened on Nov 6, 2024