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lightning might stuck at split/scatter region #43657

Closed
Tracked by #43740
D3Hunter opened this issue May 9, 2023 · 0 comments · Fixed by #43762
Closed
Tracked by #43740

lightning might stuck at split/scatter region #43657

D3Hunter opened this issue May 9, 2023 · 0 comments · Fixed by #43762
Labels
affects-7.1 component/lightning This issue is related to Lightning of TiDB. severity/major type/bug The issue is confirmed as a bug.

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@D3Hunter
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D3Hunter commented May 9, 2023

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

see tikv/pd#6426. right now lightning pause schedule by key range, but current impl of pd might cause a region never been able to split successfully on some case.

we need a way to fallback to old way of pausing scheduler, i.e. by remove schedulers

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

3. What did you see instead (Required)

4. What is your TiDB version? (Required)
@D3Hunter D3Hunter added the type/bug The issue is confirmed as a bug. label May 9, 2023
@D3Hunter D3Hunter mentioned this issue May 9, 2023
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@seiya-annie seiya-annie added component/lightning This issue is related to Lightning of TiDB. severity/major labels May 10, 2023
@ti-chi-bot ti-chi-bot bot added may-affects-5.1 This bug maybe affects 5.1.x versions. may-affects-5.2 This bug maybe affects 5.2.x versions. may-affects-5.3 This bug maybe affects 5.3.x versions. may-affects-5.4 This bug maybe affects 5.4.x versions. may-affects-6.1 may-affects-6.5 may-affects-7.1 labels May 10, 2023
@lance6716 lance6716 mentioned this issue May 12, 2023
Open
16 tasks
@D3Hunter D3Hunter mentioned this issue May 12, 2023
Merged
12 tasks
@D3Hunter D3Hunter added affects-7.1 and removed may-affects-5.1 This bug maybe affects 5.1.x versions. may-affects-5.2 This bug maybe affects 5.2.x versions. may-affects-5.3 This bug maybe affects 5.3.x versions. may-affects-5.4 This bug maybe affects 5.4.x versions. may-affects-6.1 may-affects-6.5 may-affects-7.1 labels May 12, 2023
ti-chi-bot bot pushed a commit that referenced this issue May 15, 2023
@D3Hunter
lightning: add option to control pause scheduler scope (#43762)
6043234 
close #43657
@ti-chi-bot ti-chi-bot mentioned this issue May 15, 2023
Merged
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ti-chi-bot bot pushed a commit that referenced this issue May 15, 2023
@ti-chi-bot
lightning: add option to control pause scheduler scope (#43762) (#43809)
2fe8a35 
close #43657
@qiancai qiancai mentioned this issue Jun 25, 2023
Merged
16 tasks
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affects-7.1 component/lightning This issue is related to Lightning of TiDB. severity/major type/bug The issue is confirmed as a bug.
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lightning: add option to control pause scheduler scope pingcap/tidb
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@D3Hunter @seiya-annie