So, On Fri, Dec 15, 2017 at 10:58 AM, Yan, Zheng <uker...@gmail.com> wrote:
> > 300k are ready quite a lot. opening them requires long time. does you > mail server really open so many files? Yes, probably. It's a commercial solution. A few thousand domains, dozens of thousands of users and god knows how any mailboxes. >From the daemonperf you can see the write workload is high, so yes, too much files opening (dovecot mdbox stores multiple e-mails per file, split into many files). I checked 4.4 kernel, it includes the code that trim cache when mds > recovers. Ok, all nodes are running 4.4.0-75-generic. The fix might have been included in a newer version. I'll upgrade it asap. Regards, Webert Lima DevOps Engineer at MAV Tecnologia *Belo Horizonte - Brasil* *IRC NICK - WebertRLZ*
_______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
