Thomas Hurst wrote: > * Peter Schuller (peter.schuller_at_infidyne.com) wrote: > >> My question is - what is the expected status of MySQL performance in >> FreeBSD 7 (without external patches) at this time? > > Most if not all of the relevent patches were applied months ago. We ran > MySQL in production for some time using both patched and later unpatched > 7-CURRENT with ULE for a while, and normal performance was easily > comparible with Linux and Solaris. > > We did see poor behavior with MySQL 5.1 and replication; the slave > thread needed periodic restarts because it would use progressively more > CPU and eventually fall behind, spending a long time in 'init' on every > query, which we didn't see in other OS's. Whether this was FreeBSD's or > MySQL's fault I don't know, but one certainly didn't like the other. When I tried mysql 5.1 on my usual benchmarks a few months ago, performance was terrible compared to 5.0. I wondered if they had made some ill-conceived architectural changes that increased contention even more than within 5.0. I didn't investigate it though. KrisReceived on Tue Oct 16 2007 - 17:03:06 UTC
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