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Add a fail point to pause one of query thread #4868

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Lloyd-Pottiger opened this issue May 12, 2022 · 0 comments · Fixed by #4833
Closed

Add a fail point to pause one of query thread #4868

Lloyd-Pottiger opened this issue May 12, 2022 · 0 comments · Fixed by #4833
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type/enhancement The issue or PR belongs to an enhancement.

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@Lloyd-Pottiger
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Enhancement

Add a pause_after_copr_streams_acquired_once to pause one of query thread. This will help the storage layer to generate a very long stale snapshot.
Diff with pause_after_copr_streams_acquired, pause_after_copr_streams_acquired will pause channel of query, but pause_after_copr_streams_acquired_once will pause once.
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Add fail point pause_after_copr_streams_acquired_once Lloyd-Pottiger/tiflash
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@Lloyd-Pottiger