-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Kris Kennaway wrote: > Krassimir Slavchev wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Hello, >> >> Kris Kennaway wrote: >>> Krassimir Slavchev wrote: >>>> -----BEGIN PGP SIGNED MESSAGE----- >>>> Hash: SHA1 >>>> >>>> Hello, >>>> >>>> Here are lock profiling results with select patch applied. >>> OK, you are doing I/O over TCP. Are you sure you are using TCP on both >>> systems? Linux may not be defaulting to TCP transport for local >>> queries. >>> >>> Add --pgsql-host="" to your sysbench command line to make it communicate >>> over a local domain socket, which is much more efficient. >>> >>> Kris >>> >> >> Hmm, Yes linux uses local domain sockets! >> Here are results using local domain sockets on FreeBSD too: >> #threads #tranzactions/sec >> 1 728 >> 5 2996 >> 10 5301 >> 20 3931 >> 40 2466 >> 60 1852 >> 80 1424 >> 100 1216 >> >> Just to remember: >> Linux (2.6.18) >> #threads #transactions/sec >> 1 693 >> 5 3539 >> 10 5789 >> 20 5791 >> 40 5661 >> 60 5517 >> 80 5401 >> 100 5319 >> >> I have results using Fedora 8 on the same hardware: >> Linux (2.6.23) >> #threads #transactions/sec >> 1 740 >> 5 2675 >> 10 6486 >> 20 6893 >> 40 6623 >> 60 6623 >> 80 6522 >> 100 6417 >> >> If we look at the results with up to 10 threads the performance of >> FreeBSD is very good. >> May be something can be tuned for number of threads > number of CPUs? >> >> Are you interested in lock profiling statistics with more threads than >> the number of CPUs? > > Yes, it's still performing anomalously. Glad we're making progress > though :) > > Kris >
Okay, but how many threads will be more useful to test with? Best Regards -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFHhdMIxJBWvpalMpkRAowhAKCOLh6eUptQhVQlUA2O2vSS4fi6XACaA8Bx BVgsYLIpqdKZpMdaz4mj9gg= =MhN8 -----END PGP SIGNATURE----- _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"