RFR - 8142872: Remove support for sun.nio.ch.PollSelectorProvider from 9

[Kenji Kazumura]

Hi,

I will try to use EventPortSelectorProvider and
see if the performance is changed.

-Kenji Kazumura



In message <56F3CD6F.2080701 at oracle.com>
   Re: RFR - 8142872: Remove support for sun.nio.ch.PollSelectorProvider from 9
   Alan Bateman <Alan.Bateman at oracle.com> wrote:

> On 24/03/2016 07:46, Kenji Kazumura wrote:
>> Alan,
>>
>> I did not use sun.nio.ch.EventPortSelectorProvider
>> but use sun.nio.ch.PollSelectorImpl.
>>
>> -Kenji Kazumura
>>
> It would be good to get an understanding of what the performance issue
> is. I recall we had issues with the /dev/poll driver where there was
> contention on a mutex in the Solaris kernel. This was one of the
> motives for EventPortSelectorProvider. Given that /dev/poll is legacy
> now then I think we should be looking to have
> EventPortSelectorProvider be the default on Solaris now.
> 
> -Alan
>