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Cancel mpp query parallelly in all TiFlash node #36164

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windtalker opened this issue Jul 13, 2022 · 0 comments · Fixed by #36161
Closed

Cancel mpp query parallelly in all TiFlash node #36164

windtalker opened this issue Jul 13, 2022 · 0 comments · Fixed by #36161
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type/enhancement The issue or PR belongs to an enhancement.

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@windtalker
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Enhancement

Currently, when cancel MPP query, TiDB send cancel repquest to all the TiFlash node one by one, so if the cancel request hangs in the TiFlash, the total cancel time will be n * 30 seconds, n is the number of TiFlash nodes, we should send cancel request to all TiFlash node parallelly to avoid taking too long to cancel MPP query
@windtalker windtalker added the type/enhancement The issue or PR belongs to an enhancement. label Jul 13, 2022
@windtalker windtalker mentioned this issue Jul 13, 2022
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ti-chi-bot pushed a commit that referenced this issue Jul 13, 2022
@windtalker
executor: parallel cancel mpp query (#36161)
81cf12e 
ref pingcap/tiflash#5095, close #36164
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executor: parallel cancel mpp query windtalker/tidb
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