Re: About “context-switching issue on Xeon” test case ？

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@2ndQuadrant.com   www.2ndQuadrant.us