Re: Allow a per-tablespace effective_io_concurrency setting

On 2015-09-02 18:06:54 +0200, Tomas Vondra wrote:
> Maybe the best thing we can do is just completely abandon the "number of
> spindles" idea, and just say "number of I/O requests to prefetch". Possibly
> with an explanation of how to estimate it (devices * queue length).

I think that'd be a lot better.