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v6.6 is 17% slower for adding index using tidb_ddl_enable_fast_reorg #41534

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dbsid opened this issue Feb 17, 2023 · 0 comments · Fixed by #41549
Closed

v6.6 is 17% slower for adding index using tidb_ddl_enable_fast_reorg #41534

dbsid opened this issue Feb 17, 2023 · 0 comments · Fixed by #41549
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@tangenta
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severity/moderate type/bug The issue is confirmed as a bug.

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@dbsid
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dbsid commented Feb 17, 2023

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

  1. turn on tidb_ddl_enable_fast_reorg
  2. restore ossinsight dataset
  3. alter table github_events add index test_idx(repo_id,type,action,closed_at,actor_login)

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

no performance regression

3. What did you see instead (Required)

17% performance regression

4. What is your TiDB version? (Required)

v6.5
@dbsid dbsid added type/bug The issue is confirmed as a bug. severity/moderate labels Feb 17, 2023
@tangenta tangenta mentioned this issue Feb 17, 2023
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ti-chi-bot pushed a commit that referenced this issue Feb 17, 2023
@tangenta
ddl: use a param to decide whether exec in distributed mode (#41549)
69a9dec 
ref #41534
@ti-chi-bot ti-chi-bot mentioned this issue Feb 17, 2023
Merged
12 tasks
ti-chi-bot added a commit that referenced this issue Feb 17, 2023
@ti-chi-bot
ddl: use a param to decide whether exec in distributed mode (#41549) (#…
f4ca082 
…41554)

ref #41534
zimulala pushed a commit to zimulala/tidb that referenced this issue Feb 18, 2023
@ti-chi-bot @zimulala
ddl: use a param to decide whether exec in distributed mode (pingcap#…
1be11cf 
…41549) (pingcap#41554)

ref pingcap#41534
zimulala pushed a commit to zimulala/tidb that referenced this issue Feb 21, 2023
@ti-chi-bot @zimulala
ddl: use a param to decide whether exec in distributed mode (pingcap#…
6ad865d 
…41549) (pingcap#41554)

ref pingcap#41534
zimulala pushed a commit to zimulala/tidb that referenced this issue Feb 23, 2023
@ti-chi-bot @zimulala
ddl: use a param to decide whether exec in distributed mode (pingcap#…
1898918 
…41549) (pingcap#41554)

ref pingcap#41534
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ddl: use a param to decide whether exec in distributed mode tangenta/tidb
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@dbsid @tangenta