On Mon, Oct 28, 2013 at 11:29:05AM -0400, Simon Boulet wrote: > Hi Mark, > > On Thu, Oct 17, 2013 at 5:02 PM, Mark J. <mjohan...@a2hosting.com> wrote: > > Noticing that the write counter is not incrementing in the beancounter > > file, nor is it allowing the cgroups to limit the writes either (guessing > > since the counter isn't changing the cgroup isn't being applied since its > > not seeing a change). > > > > > > Current implementation in OpenVZ kernel only tracks synchronous > writes. It will not track asynchronous (because the OpenVZ kernel > doesn't have support for asynchronous page owner tracking). Reads are > always synchronous, that's why read throttling is working. Try > mounting the filesystem in synchronous mode and you should see blkio > throttle working as you expect.
Thanks Simon, I will test this out on our test server. > > I am not aware of any solution working under the OpenVZ kernel to do > asynchronous write throttling. Let me know if you find something that > does. So far I haven't, but will let you know if I do. > > Simon > _______________________________________________ > Users mailing list > Users@openvz.org > https://lists.openvz.org/mailman/listinfo/users _______________________________________________ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users
