Quoting renjianxinlover (renjianxinlover@xxxxxxx): > hi,Stefan > could you please provide further guidence? https://docs.ceph.com/docs/master/cephfs/troubleshooting/#slow-requests-mds Do a "dump ops in flight" to see what's going on on the MDS. https://docs.ceph.com/docs/master/cephfs/troubleshooting/#kernel-mount-debugging ^^ Check out what the kernel is doing What kernel version are you using? Newer is better ... Does the MDS report slow requests and / or slow medata requests? Gr. Stefan -- | BIT BV https://www.bit.nl/ Kamer van Koophandel 09090351 | GPG: 0xD14839C6 +31 318 648 688 / info@xxxxxx _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com