MARK, So PG is faster even for 1 thread.... Interesting.
Tuesday, March 10, 2009, 10:28:07 AM, you wrote: > These are sysbench readonly results from a 16 core server. I used my > --oltp-secondary-index patch. The workload is CPU bound. The numbers > are transactions/second for 1, 2, 4, 8, 16, 32 and 64 concurrent > threads. With my sysbench patch, 2X more work is done per transaction > so the results should be ~1/2 of what you get. tcmalloc helps the > binaries in which other SMP problems have been fixed. I have not > debugged the slowdowns for the other cases. Postgres thrashes for 64 > concurrent users, so I don't include that result. > 311 684 1305 2401 2678 2211 0 pg > 213 460 874 1361 836 732 522 5075p > 210 468 841 1260 713 561 490 5075ptcm > 209 473 900 1432 1766 1102 1069 5077percb13hp > 209 477 879 1477 2015 2070 2019 5077percb13hptcm > 192 417 755 1182 1245 733 621 5131perc > 198 435 796 1256 1573 1382 1118 5131perctcm > Legend: > - pg -- Postgres 8.3.6 > - 5075p -- Percona build 12 > - 5075ptcm -- Percona build 12 + tcmalloc > - 5077percb13hp -- Percona high-perf build 13 > - 5077percb13hptcm -- 5077percb13hp + tcmalloc > - 5131perc -- Percona for 5.1.31 > - 5131perctcm -- 5131perc + tcmalloc -- Peter Zaitsev, CEO, Percona Inc. Tel: +1 888 401 3401 ext 501 Skype: peter_zaitsev 24/7 Emergency Line +1 888 401 3401 ext 911 Attend the 2009 Percona Performance Conf Apr 22-23 http://conferences.percona.com/ _______________________________________________ Mailing list: https://launchpad.net/~percona-discussion Post to : [email protected] Unsubscribe : https://launchpad.net/~percona-discussion More help : https://help.launchpad.net/ListHelp

