While working on MDEV-24167, I noticed that index_online_log is being instrumented as rw-lock, instead of being instrumented as a mutex. The exact consequences of this are unknown. The row_lock_t::mutex is only used during ALTER ONLINE TABLE when concurrent DML is being buffered or applied.
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MDEV-24167
InnoDB unnecessarily uses complex rw-lock implementation
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Closed
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Time In Source Status |
Execution Times |
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23h 17m
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1
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