Re: [pgsql-advocacy] MySQL+InnoDB vs. PostgreSQL test?

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От Rigmor Ukuhe
Тема Re: [pgsql-advocacy] MySQL+InnoDB vs. PostgreSQL test?
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Msg-id OEEHLFAIJHHMABJPIANIGECICIAA.rigmor.ukuhe@finestmedia.com
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Ответ на Re: [pgsql-advocacy] MySQL+InnoDB vs. PostgreSQL test?  (Jeff <threshar@torgo.978.org>)
Ответы Re: [pgsql-advocacy] MySQL+InnoDB vs. PostgreSQL test?
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> script [I also decided to use this perl script for testing PG to be
> fair].
>
> For one client mysql simply screamed.
>

If already have test case set up, you could inform us, from where Postgres
starts to beat MySql. Because if with 5 clients it still "screams" then i
would give it a try in case of that kind of requirements.

Rigmor Ukuhe

> Then I decided to see what happens with 20 clients.
>
> MySQL clocked in at 650 seconds.  During this time the machine was VERY
> unresponsive.  To be fair, that could be Linux, not MySQL.
>
> PG (7.3.4) clocked in at 220 seconds.  The machine was perfectly fine
> during the test -  nice and responsive.
>
> The hardware wasn't much - dual p2-450 running stock RH8. (2x15k 18g
> scsi drives for the data volume)
>
> Then I decided to try the "beloved" InnoDB.
>
> Well.. after it sat for a few hours at 100% cpu loading the data I
> killed it off and gave up on InnoDB.. I am interested in the numbers.
> Perhaps I'll fire it up again someday and let it finish loading.
>
> Remember -  you cannot judge mysql by since connection performance - you
> can't beat it.  But just add up the concurrency and watch the cookies
> tumble
>
> --
> Jeff Trout <jeff@jefftrout.com>
> http://www.jefftrout.com/
> http://www.stuarthamm.net/
>
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