On Thu, Jan 22, 2009 at 6:10 PM, Brian Aker <br...@tangent.org> wrote: > Hi! > > Yes, that is what our core is. Early on I redid much of the IO handling code > to make better use of it. It is not perfect though... I need to move around > the IO code to tweak a bit more out of it. > > BTW I am surprised you found a multi-core benchmark where is was worse. Even > for MySQL whenever we tested it, it came out on top. Though... with 4 core > you set it to what, 2? The other threads, like Innodb's, are not counted in > that number. > > Cheers, > -Brian >
I tested 1, 2, 4, 8 and 16 concurrent users in sysbench. The thread/connection pool had 20 threads. > On Jan 23, 2009, at 1:05 PM, MARK CALLAGHAN wrote: > >> Do you have the thread pool code in your tree >> (--thread_handling=pool-of-threads)? >> Have you done anything to make it efficient? >> >> For me, sysbench OLTP readonly is up to 3X faster using blackhole when >> pool-of-threads is not used -- http://bugs.mysql.com/bug.php?id=42288, >> and this is on a 4 core server so I assume the overhead gets much >> worse with more cores. >> >> -- >> Mark Callaghan >> mdcal...@gmail.com >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~drizzle-discuss >> Post to : drizzle-discuss@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~drizzle-discuss >> More help : https://help.launchpad.net/ListHelp > > -- > _______________________________________________________ > Brian "Krow" Aker, brian at tangent.org > Seattle, Washington > http://krow.net/ <-- Me > http://tangent.org/ <-- Software > _______________________________________________________ > You can't grep a dead tree. > > > > -- Mark Callaghan mdcal...@gmail.com _______________________________________________ Mailing list: https://launchpad.net/~drizzle-discuss Post to : drizzle-discuss@lists.launchpad.net Unsubscribe : https://launchpad.net/~drizzle-discuss More help : https://help.launchpad.net/ListHelp
