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remove alter table lock to improve performance when importing large mount of tables #50105

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D3Hunter opened this issue Jan 5, 2024 · 0 comments · Fixed by #50074
Closed

remove alter table lock to improve performance when importing large mount of tables #50105

D3Hunter opened this issue Jan 5, 2024 · 0 comments · Fixed by #50074
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affects-6.5 affects-7.1 affects-7.5 component/lightning This issue is related to Lightning of TiDB. severity/moderate type/bug This issue is a bug. type/enhancement

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@D3Hunter
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D3Hunter commented Jan 5, 2024 •
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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

here we run alter table in serial(add in pingcap/tidb-lightning#87), we can run in parallel now and let tidb handle it

it's an enhancement, will make a bug to cp to older versions

tidb/br/pkg/lightning/importer/table_import.go

Line 954 in d11a559

rc.alterTableLock.Lock()

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

3. What did you see instead (Required)

4. What is your TiDB version? (Required)
@D3Hunter D3Hunter mentioned this issue Jan 5, 2024
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13 tasks
@D3Hunter D3Hunter changed the title remove alter table lock to improve performance remove alter table lock to improve performance when importing large mount of tables Jan 5, 2024
ti-chi-bot bot pushed a commit that referenced this issue Jan 5, 2024
@D3Hunter
lightning: remove alter table lock (#50074)
b13d1d0 
close #50105
@ti-chi-bot ti-chi-bot mentioned this issue Jan 5, 2024
Merged
13 tasks
ti-chi-bot pushed a commit to ti-chi-bot/tidb that referenced this issue Jan 5, 2024
@D3Hunter @ti-chi-bot
lightning: remove alter table lock (pingcap#50074)
c45d1e9 
close pingcap#50105
@ti-chi-bot ti-chi-bot mentioned this issue Jan 5, 2024
Merged
13 tasks
ti-chi-bot pushed a commit to ti-chi-bot/tidb that referenced this issue Jan 5, 2024
@D3Hunter @ti-chi-bot
lightning: remove alter table lock (pingcap#50074)
72a4ef2 
close pingcap#50105
@ti-chi-bot ti-chi-bot mentioned this issue Jan 5, 2024
Merged
13 tasks
AilinKid pushed a commit to AilinKid/tidb that referenced this issue Jan 17, 2024
@D3Hunter @AilinKid
lightning: remove alter table lock (pingcap#50074)
ac771df 
close pingcap#50105
@Ivy-YinSu Ivy-YinSu added the component/lightning This issue is related to Lightning of TiDB. label Jan 23, 2024
ti-chi-bot bot pushed a commit that referenced this issue Jan 24, 2024
@ti-chi-bot
lightning: remove alter table lock (#50074) (#50116)
7caa282 
close #50105
ti-chi-bot bot pushed a commit that referenced this issue Feb 2, 2024
@ti-chi-bot
lightning: remove alter table lock (#50074) (#50118)
630e995 
close #50105
ti-chi-bot bot pushed a commit that referenced this issue Feb 22, 2024
@ti-chi-bot
lightning: remove alter table lock (#50074) (#50117)
23052ef 
close #50105
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affects-6.5 affects-7.1 affects-7.5 component/lightning This issue is related to Lightning of TiDB. severity/moderate type/bug This issue is a bug. type/enhancement
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lightning: remove alter table lock D3Hunter/tidb
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@D3Hunter @Ivy-YinSu