AIO cause memory leak
igor at sysoev.ru
Wed Dec 30 18:17:31 MSK 2009
On Wed, Dec 30, 2009 at 04:09:59PM +0800, Tony wrote:
> I got the memory leak error on my linux server when I added 'aio on;' in
> my nginx.conf,
> The os is fedora 11(x86-64) and gentoo(x86-64),The kernel is 2.6.29+.
> I've already set 'directio 2m; sendfile on; ' into nginx.conf.
> The server is only serving static flv contents, These is 50-100MBytes
> each flv file.
> When 'aio on' is setting, the server's 4G memory and 2G swap were
> consumed by nginx, work_processes just 4.
> When I disable aio, each nginx processes used 30M memory only.
> When aio is used, I know it should disable sendfile and use directio,
> Why it use so many memory?
It's a known bug. I will fix it in January.
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