Details
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Type:
Task
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Status: Closed (View Workflow)
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Priority:
Major
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Resolution: Fixed
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Fix Version/s: 10.5.4
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Component/s: Storage Engine - InnoDB
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Labels:None
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Epic Link:
Description
This is something that wasn't addressed during the large trx_sys refactoring. Taking trx_sys.mutex is bad for 2 reasons:
- it is not intended for synchronisation between purge and connection threads
- it is a global mutex on a hot-path that can be avoided.
Attachments
Issue Links
- relates to
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MDEV-29612 ReadViewBase::snapshot() misses an optimization
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- Closed
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