Re: Can we extract CPU usage by table/query level

From: Julien Rouhaud <rjuju123(at)gmail(dot)com>
To: Ishan joshi <ishanjoshi(at)live(dot)com>
Cc: "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Can we extract CPU usage by table/query level
Date: 2020-04-03 07:03:16
Message-ID: 20200403070316.GA95652@nol
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On Fri, Apr 03, 2020 at 06:19:56AM +0000, Ishan joshi wrote:
> Hi Team,
>
> I have 2 question regarding the CPU usage and transaction details.
>
> I have PG11.5 server with pg_stat_statements extension. I check all pg_stat tables but I am not able to extract details of CPU usage and transaction histroy along with its transaction time.
>
> Question 1 : Can we extract details of CPU utilization by query or table in last 24 hrs?

This isn't possible with core postgres, but pg_stat_kcache extension
(https://github.com/powa-team/pg_stat_kcache) brings this feature (per-query).

> Question 2 : Can we extract transaction details of last 24 hrs on PG server.

What level of details do you exactly need?

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