| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Jeremy Schneider <schnjere(at)amazon(dot)com> |
| Cc: | Square Bob <square_bob(at)yahoo(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org, "pgsql-performance(at)lists(dot)postgresql(dot)org" <pgsql-performance(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: amazon aroura config - seriously overcommited defaults? (May be Off Topic) |
| Date: | 2018-12-08 23:12:42 |
| Message-ID: | 20181208231242.t66zpocct36m4o46@alap3.anarazel.de |
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| Lists: | pgsql-general pgsql-performance |
On 2018-12-08 12:06:23 -0800, Jeremy Schneider wrote:
> On RDS PostgreSQL, the default is 25% of your server memory. This seems
> to be pretty widely accepted as a good starting point on PostgreSQL.
FWIW, I think it's widely cited, but also bad advice. 25% for a OLTP
workload on a 1TB machine with a database size above 25% is a terrible
idea.
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