Re: Service outage: each postgres process use the exact amount of the configured work_mem

[Moreno Andreo <moreno.andreo@xxxxxxxxxx>]

Il 14/04/2017 20:55, Melvin Davidson ha scritto:

On Fri, Apr 14, 2017 at 2:42 PM, Chris Mair <chris@xxxxxxxx> wrote:

you should increase shared_memory to 40GB. General philosphy is to allocate 80% of system memory to shared_memory

Uhm...

80% is too much, likely:

https://www.postgresql.org/docs/9.5/static/runtime-config-resource.html

Bye,
Chris.

Sorry, I had a brain fart, shared_buffers should be 25% system memory, or 12GB

The original set was 13 GB (I lowered to 3 GB to take a test), but probably I never acknowledged it with top...

--

Melvin Davidson
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