On 4 Sep, Manfred Spraul wrote: > [EMAIL PROTECTED] wrote: > >>http://developer.osdl.org/markw/44/ >> >>I threw together (kind of sloppily) a web page of the data I was >>starting to collect for our DBT-2 workload (TPC-C derivative) on >>PostgreSQL 7.3.4. Keep in mind not much database tuning has been done >>yet. Feel free to ask any questions. >> >> >> > The kernel readprofile output is very odd: > sys_ipc receives lots of hits, but that function is a trivial multiplexer. > sys_timedsemop, and try_atomic_semop got 0 hits - that's the main > implementation of sysv semaphores. Could you double check your > readprofile scripts?
Someone here was kind enough to run a little test comparing profiles from 2.4.20-19 (a redhat kernel) and 2.6.0-test4-mm5. He found that the 2.6.0-test4-mm5 profile lacked sys_timedsemop and try_atomic_semop. Mark ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings