cache: move open to thread pool

[洪志道]

Hi.
Will this patch be merged into the main branch?
What is the latest patch? We can help with the test.
Thanks.

On Sat, Feb 9, 2019 at 6:40 AM Ka-Hing Cheung via nginx-devel <
nginx-devel at nginx.org> wrote:

> Unfortunately our test colo is not setup to do performance testing
> (the traffic it receives varies too much). We do intend to merge this
> to our production colos but there's no timeline yet.
>
> Yuchen (CC'ed) will be the main contact from now on as today is my
> last day at Cloudflare.
>
> - Ka-Hing
>
> On Thu, Feb 7, 2019 at 5:39 AM Maxim Konovalov <maxim at nginx.com> wrote:
> >
> > Great.  Thanks for the testing!
> >
> > Did you see any measurable perf. metrics changes comparing to your
> > aio open implementation or comparing to nginx without aio open support?
> >
> > We are still waiting for additional input from another tester, who
> > expressed interest before.
> >
> > Thanks,
> >
> > Maxim
> >
> > On 07/02/2019 00:19, Ka-Hing Cheung wrote:
> > > This has been running in our test colo for the past week with no ill
> effects.
> > >
> > > On Wed, Jan 23, 2019 at 4:39 AM Maxim Konovalov <maxim at nginx.com>
> wrote:
> > >>
> > >> Hi Ka-Hing,
> > >>
> > >> Roman told me that the delta is because of your changes.
> > >>
> > >> Thanks for your time on that.  Waiting for your testing results.
> > >>
> > >> Maxim
> > >>
> > >> On 22/01/2019 22:34, Ka-Hing Cheung via nginx-devel wrote:
> > >>> I spoke too soon, just realized our test colo is running the patches
> > >>> without aio_open on. Flipping that switch now.
> > >>>
> > >>> Also, including the patch that we applied on top in addition to the
> > >>> massaging we did to resolve conflicts. I haven't dug too deep to see
> > >>> if stock nginx also requires similar changes or they are only
> > >>> necessary because of our other nginx changes:
> > >>>
> > >> [...]
> > >>
> > >> --
> > >> Maxim Konovalov
> >
> >
> > --
> > Maxim Konovalov
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