Timo Sirainen put forth on 2/28/2010 6:21 AM: > On Thu, 2010-02-25 at 21:04 +0200, Timo Sirainen wrote: >> Looks like some input stream seeking optimizations are broken (when >> one input stream reads from another, which reads from another, ...). I >> already managed to fix the performance problem, but now it's >> corrupting saved mails sometimes. So a while longer to get it fully >> fixed :) And since it's a pretty big change, I'm not sure if I want to >> risk breaking v1.2 by changing it, so maybe it's v2.0 only. > > Fixed now in v2.0 and optimized also conversion to uppercase: > > http://hg.dovecot.org/dovecot-2.0/rev/de2798fbbae6 > http://hg.dovecot.org/dovecot-2.0/rev/23858ce6422e > > After this, searching your spam mailbox goes from: > > v1.2 OK Search completed (26.084 secs). > > to > > v2.0 OK Search completed (2.172 secs). > > It's still slower than v1.0's 1.83 secs, but the increased slowness is > most likely because v1.0 didn't support case-insensitive unicode > searches.
Awesome-- 13x increase in speed. Nice work Timo. I'll definitely appreciate it when I move to 2.0. Maybe it'll be fast enough I can get rid of Squat. Any chance these changes will make it as a bug fix into 1.2.11? How extensive were the changes required to fix this bug? -- Stan
