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ebs br: backup tolerates the rolling restart #5436

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BornChanger opened this issue Dec 3, 2023 · 1 comment
Closed

ebs br: backup tolerates the rolling restart #5436

BornChanger opened this issue Dec 3, 2023 · 1 comment
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@YuJuncen
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area/ebs-br enhancement New feature or request priority/P0

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@BornChanger
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Feature Request

Is your feature request related to a problem? Please describe:

For a large cluster with more than 120 TiKV nodes, rolling restart could last for more than 10 hours. EBS snapshot could fail due to not able to keep lightning suspension for all TiKV nodes during the snapshot checkpoint generation time.

Describe the feature you'd like:

We need to pause evict-leader-scheduler and add retry logic for lightning suspension request to TiKV nodes.

Describe alternatives you've considered:

Teachability, Documentation, Adoption, Migration Strategy:
@BornChanger
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The fix in tidb PR pingcap/tidb#49154

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@YuJuncen YuJuncen

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@YuJuncen @BornChanger