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From:Tom Worster Date:December 11 2009 10:56pm
Subject:does mysqlhotcopy affect the key buffer?
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i run mysqlhotcopy on each database once every three hours.

i happened to be running my cache warmer this afternoon, which logs timing
for a bunch of standard randomized queries, that when the backup script ran,
the query times increased by a factor of about 20 from a nice quick pace
back down to what i'd expect for an empty cache. hot times then slowly
settled back down to the faster pace as i would expect as cold caches warm
up. (i really don't know if key or table caches are the bottleneck.)

so i was wondering if mysqlhotcopy has affecting the caches.


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does mysqlhotcopy affect the key buffer?Tom Worster11 Dec