On Wed, 2007-12-26 at 01:06 +0100, Guillaume Smet wrote: > I lowered the number of concurrent clients to 50 because 100 is quite > high and I obtain the same sort of results: > shared_buffers=32MB: 1869 tps > shared_buffers=64MB: 1844 tps > shared_buffers=512MB: 1676 tps > shared_buffers=1024MB: 1559 tps Can you try with bgwriter_lru_maxpages = 0 So we can see if the bgwriter has any hand in this? -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
