Re: MusicBrainz postgres performance issues

On Sun, Mar 15, 2015 at 8:46 PM, Andres Freund <andres@2ndquadrant.com> wrote:
> That imo doesn't really have anything to do with it. The primary benefit
> of a BBU with writeback caching is accelerating (near-)synchronous
> writes. Like the WAL.

My point was, that having no proper raid controller (today bbu surely
needed for the controller to be a proper one) + heavy writes of any
kind, it is absolutely impossible to live with large shared_buffers
and without io problems.

>
> Greetings,
>
> Andres Freund
>
> --
>  Andres Freund                     http://www.2ndQuadrant.com/
>  PostgreSQL Development, 24x7 Support, Training & Services



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