Re: [HACKERS] PostgreSQL on 64 bit Linux

2006-08-21 Thread Alexander Kirpa
fit Postgres in 64-bit mode possible only in case dedicated DB server on system with RAM > 3GB and use most part of RAM for shared buffers and avoid persistent moving buffers between OS cache and shared memory. On system with RAM below 2-3GB to difficult found serious gain of performance.

Re: [HACKERS] PostgreSQL on 64 bit Linux

2006-08-22 Thread Alexander Kirpa
On 21 Aug 2006, at 10:48, [EMAIL PROTECTED] wrote: > On Mon, Aug 21, 2006 at 12:00:58PM +0300, Alexander Kirpa wrote: > > > WRT 64-bit and Postgres, it depends on the CPU as to whether you > > > see a simple performance benefit. On the Opteron you will see a > > >

Re: [HACKERS] Spinlocks, yet again: analysis and proposed patches

2005-09-20 Thread Alexander Kirpa
x27;Replay: Unknown Features of the NetBurst Core' http://www.xbitlabs.com/articles/cpu/display/replay.html Best regards, Alexander Kirpa ---(end of broadcast)--- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe