On Sun, 11 Jun 2006, Kris Kennaway wrote:
* The postgres processes seem to change their proctitle hundreds or thousands of times per second. This is currently done via a Giant-locked sysctl (kern.proc.args) so there is enormous contention for Giant. Even when this is fixed (thanks to a patch from csjp@), each of them requires a syscall and syscalls ain't free. This is not a clever thing to be doing from a performance standpoint.
to disable for testing, after you run configure, manually edit src/include/pg_config.h and undef HAVE_SETPROCTITLE ...
---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . [EMAIL PROTECTED] MSN . [EMAIL PROTECTED] Yahoo . yscrappy Skype: hub.org ICQ . 7615664 _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "[EMAIL PROTECTED]"
