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Excessive Stats Loading Duration in Clusters with Over One Million Tables and Active Workloads #57868

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Rustin170506 opened this issue Dec 2, 2024 · 0 comments
Open

Excessive Stats Loading Duration in Clusters with Over One Million Tables and Active Workloads #57868

Rustin170506 opened this issue Dec 2, 2024 · 0 comments
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@winoros
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affects-8.5 This bug affects the 8.5.x(LTS) versions. component/statistics severity/moderate sig/planner SIG: Planner type/bug The issue is confirmed as a bug.

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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

The stats loading duration is excessively high when the cluster contains more than one million tables, and half of them have active workloads.

  1. Create one million tables.
  2. Use sysbench to update 10% of these tables.

2. What did you expect to see? (Required)

The stats loading duration is normal.

3. What did you see instead (Required)

Image

4. What is your TiDB version? (Required)

master, 8.5
@Rustin170506 Rustin170506 added type/bug The issue is confirmed as a bug. sig/planner SIG: Planner component/statistics severity/major labels Dec 2, 2024
@Rustin170506 Rustin170506 mentioned this issue Dec 9, 2024
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@Rustin170506 Rustin170506 moved this to 🏊WIP in 😆Stats Dec 18, 2024
@winoros winoros mentioned this issue Dec 23, 2024
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@winoros winoros

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affects-8.5 This bug affects the 8.5.x(LTS) versions. component/statistics severity/moderate sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
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@winoros @Rustin170506