On Dec 26, 2007 12:21 PM, Simon Riggs <simon@xxxxxxxxxxxxxxx> wrote: > Can you try with > > bgwriter_lru_maxpages = 0 > > So we can see if the bgwriter has any hand in this? I will. I'm currently running tests with less concurrent clients (16) with exactly the same results: 64M 4213.314902 256M 4012.782820 512M 3676.840722 768M 3377.791211 1024M 2863.133965 64M again 4274.531310 I'm rerunning the tests using Greg Smith's pgbench-tools [1] to obtain a graph of each run. [1] http://www.westnet.com/~gsmith/content/postgresql/pgbench-tools.htm -- Guillaume ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
