On 2021-06-16 14:39:19 +0800, Julien Rouhaud wrote:
> On Wed, Jun 16, 2021 at 12:02:52PM +0530, Atul Kumar wrote:
> > Sometimes I run a Postgres query it takes 30 seconds. Then, I
> > immediately run the same query and it takes 2 seconds.
[...]
> > Can I force all caches to be cleared for tuning pu
On Wed, 16 Jun 2021 at 12:09, Julien Rouhaud wrote:
>
> On Wed, Jun 16, 2021 at 12:02:52PM +0530, Atul Kumar wrote:
> >
> > Sometimes I run a Postgres query it takes 30 seconds. Then, I
> > immediately run the same query and it takes 2 seconds. It appears that
> > Postgres has some sort of caching
On Wed, Jun 16, 2021 at 12:02:52PM +0530, Atul Kumar wrote:
>
> Sometimes I run a Postgres query it takes 30 seconds. Then, I
> immediately run the same query and it takes 2 seconds. It appears that
> Postgres has some sort of caching. Can I somehow see what that cache
> is holding?
You can use p