Re: PSQL command line print speed

From: Francisco Olarte <folarte(at)peoplecall(dot)com>
To: Adrian Myers <hadrianmyers(at)gmail(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: PSQL command line print speed
Date: 2017-05-17 16:55:41
Message-ID: CA+bJJbynHM9e2SHCjSHG3rLnPG-eJ=_B9Q2NjCKbJhDtzGePOQ@mail.gmail.com
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Adrian:

On Wed, May 17, 2017 at 6:03 PM, Adrian Myers <hadrianmyers(at)gmail(dot)com> wrote:
> Queries which perform in a few milliseconds through a driver (psycopg2 in
> this case) can take several seconds or minutes to complete in the console,
> seemingly just due to it printing lines at a very leisurely pace (in other
> words, this is not the delay caused by the query itself, often it starts
> printing almost instantly but spends a very long time just writing output).
> While overall application performance is unaffected, simple admin tasks and
> poking around the data take longer than I would like as a result. Is there
> any way to improve just the display/write performance in the console?

Are you sure the culprit is psql and not you terminal emulator ?

Francisco Olarte.-

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