Details
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Type:
Technical task
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Status: Closed (View Workflow)
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Priority:
Major
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Resolution: Done
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Affects Version/s: None
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Component/s: Storage Engine - Spider
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Labels:None
Description
Passing a Handler statement to backend data nodes without converting it to SQL sometimes improves the performance. However, only a few people use Handler statements and the performance gain seems not to be very significant. Further, setting spider_use_handler > 0 disables the GROUP BY handler.
Attachments
Issue Links
- blocks
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MDEV-27256 Delete spider_use_handler and related code
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- Closed
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