From: | Mladen Gogala <gogala(dot)mladen(at)gmail(dot)com> |
---|---|
To: | pgsql-performance(at)lists(dot)postgresql(dot)org |
Subject: | Re: Postgresql TPS Bottleneck |
Date: | 2022-04-01 02:40:25 |
Message-ID: | 44e64451-73a0-b8de-4d88-25d642c62f6d@gmail.com |
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Lists: | pgsql-performance |
On 3/31/22 07:50, wakandavision(at)outlook(dot)com wrote:
> Hi everyone,
>
> I am a bachelor's student and writing my thesis about the scaling and
> performance of an application. The application is using postgresql as a
> database but we can't scale any further currently as it seems postgres
> is hitting the limit.
>
> With the application, as well as with pgbench, we don't get more than
> (max) 70k TPS on postgres. But the servers' resources are not utilized
> completely (more below).
I would try monitoring using "perf top" and "atop -d" to see what is
going on on the system. Also, try using sar to figure out what's going
on. Are you paging, waiting for I/O or having some other kind of
bottleneck. Once you figure where is your system spending time, you can
address the problem. In addition to that, analyze the log files with
pgbadger to find out which queries are time consuming and try optimizing
them.
--
Mladen Gogala
Database Consultant
Tel: (347) 321-1217
https://dbwhisperer.wordpress.com
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