again async io

[Igor Sysoev]

On Thu, 23 Nov 2006, Aleksandar Lazic wrote:

> On Don 23.11.2006 11:05, Igor Sysoev wrote:
>> On Wed, 22 Nov 2006, Aleksandar Lazic wrote:
>> 
>>> I have read some docs and some papers and have changed my opinion
>>> about the asyncIO.
> [snip]
>
>> 2) Whether some improvement will be for 1000 parallel downloads.
>
> Aehm yes and this is good, isn't it!?

Have you seen 1000 parallel downloads benchmark ? Where ?

>> 3) libaio requires linking with -lpthread, so it's seems it's not
>>    a true AIO implemenation but emulation using threads.
>
> There is a posix lib (http://www.bullopensource.org/posix/) I will look
> what requirements this lib have.

POSIX AIO may be not zero-copy operation.


Igor Sysoev
http://sysoev.ru/en/