On Mon, Aug 20, 2018 at 10:23 AM Yingxin Cheng <yingxincheng@xxxxxxxxx> wrote: > > Hi chunmei & kefu: > > Sorry, seems it is another issue I have met before. And I think this > is not a bug, just try to increase the value in > /proc/sys/fs/aio-max-nr. > > Reference: > http://man7.org/linux/man-pages/man2/io_setup.2.html > quote "EAGAIN The specified nr_events exceeds the user's limit of > available events, as defined in /proc/sys/fs/aio-max-nr." sorry Yingxin, i missed your analysis and solution. what's your fs.aio-max-nr before you increased it? all of our arm64 testbed have following output: $ sysctl fs.aio-max-nr fs.aio-max-nr = 65536 and max_aio is 128, so i guess it's unlikely we exceed the limit. am i right? @Liu, Chunmei what's your /proc/sys/fs/aio-max-nr setting ? > > --- > Regards, > Yingxin > > On Mon, Aug 20, 2018 at 9:54 AM Yingxin Cheng <yingxincheng@xxxxxxxxx> wrote: > > > > hi chunmei, > > There's a similar report at > > https://github.com/ceph/ceph/pull/23539#discussion_r209479903 > > I believe it should already be fixed recently. > > Does your code include this change? > > > > kefu, > > According to my tests, I see there are no issues with > > unittest_seastar_messenger. Is it ready to be included in the make > > check? > > > > --- > > Regards, > > Yingxin -- Regards Kefu Chai