> On Nov 19, 2018, at 18:47, 宋辰伟 <616955...@qq.com> wrote:
>
> Hi
>
> Actually there is some blocking operation during ats like epoll. We are
> blocking at epoll for several times and until the net event arrived. So if
> any other event (which is not net event) schedule it will be pended until
> epoll’s timeout fired unless you use the signal to terminate blocking.
Yeh sure, but in theory at least if there are active connections epoll would
almost always have events :).
But yes, things not on the epoll event loop could get stuck on low activity
boxes. Speaking of, there might still be improvements to do here with timerfd
and eventfd. We did soMe work there a few years ago.
Cheers,
— Leif
>
> Scw00
>
>> 在 2018年11月20日，上午9:21，Walt Karas <wka...@oath.com.INVALID> 写道：
>>
>> What strategy or strategies do we use in ATS to make sure that we
>> don't do blocking I/O that blocks a thread with queued event handlers
>> (not dependent on the I/O operation)?
>>> On Mon, Nov 19, 2018 at 7:13 PM Masakazu Kitajo <m4s...@gmail.com> wrote:
>>>
>>> I have no idea where the delay comes from. I posted its detail on the PR (
>>> https://github.com/apache/trafficserver/issues/3552#issuecomment-440099449).
>>>
>>> Thanks,
>>> Masakazu
>>>
>>>> On Mon, Nov 19, 2018 at 5:30 PM 宋辰伟 <616955...@qq.com> wrote:
>>>>
>>>> Hi maskit and koshiba
>>>>
>>>> What does 30ms delay means ? How to reproduce it ?
>>>>
>>>> SCW00
>>>>
>>>>> 在 2018年11月19日，上午9:12，Masakazu Kitajo <mas...@apache.org> 写道：
>>>>>
>>>>> seem
>>>>
>>>>
>>
>
>
>
