how does CXPACKETS relates to CXCONSUMER wait types?
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24-01-2021 - |
解决方案
- CXCONSUMER occurs when a consumer thread waits for a producer thread to send rows.
- CXPACKET occurs when trying to synchronize the query processor exchange iterator or getting a required buffer.
CXCONSUMER waits are generally benign, encountered as a normal part of parallel(CXPACKET) execution.
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