Re: Clock sweep not caching enough B-Tree leaf pages?

On Thursday, April 17, 2014, Merlin Moncure <mmoncure@gmail.com> wrote:
>
> yeah -- the thing is, we are already too spendy already on
> supplemental write i/o (hint bits, visible bits, freezing, etc) and
> likely not worth it to throw something else on the pile unless the
> page is already dirty; the medium term trend in storage is that read
> vs write performance is becoming increasingly asymmetric, particularly
> on the random side so it's very unlikely to balance out.
>

Guess I wasn't clear but I was thinking to read the page in, not do any
writing, and do it in a asynchronous way to the process doing the evicting.

Thanks,

Stephen