cache: move open to thread pool

Maxim Konovalov maxim at
Thu Feb 7 13:39:47 UTC 2019

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.



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> 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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