Re: [PERFORM] Insert Concurrency - Mailing list pgsql-performance

From Claudio Freire
Subject Re: [PERFORM] Insert Concurrency
Date
Msg-id CAGTBQpZqt3YXNgaPHpweGzH20-9LYq=KtRmV0RDkwgtBZCg4RQ@mail.gmail.com
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In response to Re: [PERFORM] Insert Concurrency  (Daniel Blanch Bataller <daniel.blanch.bataller@gmail.com>)
List pgsql-performance
On Tue, Apr 18, 2017 at 2:45 AM, Daniel Blanch Bataller
<daniel.blanch.bataller@gmail.com> wrote:
>
> But if you are going to move a record at a time you are going to be limited
> by the fastest transaction rate you can achieve, which is going to be a few
> hundred per second, and limited at the end by the disk hardware you have, .
> Out of the box  and on commodity hardware it can take you up to then days to
> move 100M records.

RDS usually is not commodity hardware, most RDS instances will have
some form of SSD storage, so performance could be much higher than
what you'd get on your laptop.

I'd have to second David's advice: test with pgbench first. It can
quite accurately simulate your use case.


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