G
George Potemkin
Guest
20 millions "events" per sec => duration of the "event" is 50 nanoseconds - it's compatible with a duration of latch lock. LRU latch was indeed 100% busy (24 of 43 snapshots shown an owner of LRU latch) but we had only 10-12 thousands LRU locks per sec and 1500-3000 naps per sec. It looks like LRU latch can participate in two "events": locks and skips. Duration of each "event" can be estimated as the tens nanoseconds.
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