Re: [GENERAL] Noticed something odd with pgbench

2012-11-16 Thread Steven Schlansker
On Nov 16, 2012, at 11:59 AM, Richard Huxton wrote: > On 16/11/12 19:35, Shaun Thomas wrote: >> Hey guys, >> >> So, we have a pretty beefy system that runs dual X5675's with 72GB of RAM. >> After our recent upgrade to 9.1, things have been... odd. I managed to track >> it down to one setting:

Re: [GENERAL] Noticed something odd with pgbench

2012-11-16 Thread Shaun Thomas
On 11/16/2012 01:59 PM, Richard Huxton wrote: http://frosty-postgres.blogspot.co.uk/2012/08/postgresql-numa-and-zone-reclaim-mode.html I actually considered zone_reclaim_mode. But the article you linked to misses a point: during boot, zone_reclaim_mode is chosen only if the zone distance is

Re: [GENERAL] Noticed something odd with pgbench

2012-11-16 Thread Richard Huxton
On 16/11/12 19:35, Shaun Thomas wrote: Hey guys, So, we have a pretty beefy system that runs dual X5675's with 72GB of RAM. After our recent upgrade to 9.1, things have been... odd. I managed to track it down to one setting: shared_buffers = 8GB It does the same thing at 6GB. 4GB is safe

[GENERAL] Noticed something odd with pgbench

2012-11-16 Thread Shaun Thomas
Hey guys, So, we have a pretty beefy system that runs dual X5675's with 72GB of RAM. After our recent upgrade to 9.1, things have been... odd. I managed to track it down to one setting: shared_buffers = 8GB The thing is, we currently have 850 clients connected to our database (I know, that'