Thanks to Sam. We are ongoing the evaluation.
On 2019/01/22 09:50:53, Sam Pegler <sam.peg...@infectiousmedia.com> wrote: > Sounds like you're reaching the limits of what your disks will do either on > reads or writes. Debug it as you would any other disk based app, > https://haydenjames.io/linux-server-performance-disk-io-slowing-application/ > might help. > > > > On Tue, 22 Jan 2019 at 09:19, wenxing zheng <wenxing.zh...@gmail.com> wrote: > > > Dear all, > > > > We got a kafka cluster with 5 nodes, and from the metrics of datadog, we > > found that regularly the elapse for sending to kafka was more than 200ms, > > and there was a peek on the system.io.await. > > > > Please help to advice what would be the problem and any hints? > > [image: image.png] > > > > Kind regards, Wenxing > > >