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add index for system tables takes a long time while upgrade cluster #49679

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aytrack opened this issue Dec 21, 2023 · 0 comments · Fixed by #49629
Closed

add index for system tables takes a long time while upgrade cluster #49679

aytrack opened this issue Dec 21, 2023 · 0 comments · Fixed by #49629
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@zimulala
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component/ddl This issue is related to DDL of TiDB. type/enhancement

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@aytrack
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aytrack commented Dec 21, 2023

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

  1. deploy a v7.5.0 cluster and create a table with 5000 partition
  2. truncate the table
  3. during truncate the table , upgrade cluster to nightly

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

  1. upgrade cluster success

3. What did you see instead (Required)

  1. the system table add index takes a long time led tiup upgrade faied.
  2. you can see the user ddl are paused, but the system table add index takes about 2min.
    img_v3_0269_138ec116-0a84-4889-b066-4799c1332dcg

4. What is your TiDB version? (Required)

v7.5.0
@aytrack aytrack added type/bug This issue is a bug. component/ddl This issue is related to DDL of TiDB. labels Dec 21, 2023
@zimulala zimulala self-assigned this Dec 21, 2023
@zimulala zimulala added type/enhancement and removed type/bug This issue is a bug. labels Dec 21, 2023
@zimulala zimulala mentioned this issue Dec 21, 2023
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ti-chi-bot bot pushed a commit that referenced this issue Dec 26, 2023
@zimulala
ddl: fix the optimization for the empty table(speed up) (#49629)
dc694a1 
close #49679, close #49682
This was referenced Dec 26, 2023
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@MyonKeminta MyonKeminta mentioned this issue Jan 15, 2024
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ti-chi-bot bot pushed a commit that referenced this issue Feb 18, 2024
@ti-chi-bot
ddl: fix the optimization for the empty table(speed up) (#49629) (#49816
5113789 
)

close #49679, close #49682
ti-chi-bot bot pushed a commit that referenced this issue Feb 22, 2024
@ti-chi-bot
ddl: fix the optimization for the empty table(speed up) (#49629) (#49815
99e2a21 
)

close #49679, close #49682
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component/ddl This issue is related to DDL of TiDB. type/enhancement
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ddl: fix the optimization for the empty table(speed up) zimulala/tidb
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@zimulala @aytrack