RD黄永卫 wrote: > > Anybody have the test case of “ context-switching issue on Xeon” from > Tm lane ？ > That takes me back: http://archives.postgresql.org/pgsql-performance/2004-04/msg00280.php That's a problem seen on 2004 era Xeon processors, and with PostgreSQL 7.4. I doubt it has much relevance nowadays, given a) that whole area of the code was rewritten for PostgreSQL 8.1, and b) today's Xeons are nothing like 2004's Xeons. -- Greg Smith 2ndQuadrant US Baltimore, MD PostgreSQL Training, Services and Support greg@xxxxxxxxxxxxxxx www.2ndQuadrant.us -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
