hi, i have rbd0 mapped to client, xfs formatted. i'm putting a lot of data on it. following messages appear in logs and 'ceph -s' output osd.255 [WRN] 1 slow requests, 1 included below; oldest blocked for > 51.726881 secs osd.255 [WRN] slow request 51.726881 seconds old, received at 2016-03-04 12:22:23.549737: osd_op(client.14296.1:389333 rbd_data.37d230c8153.00000000000d1cc8 [set-alloc-hint object_size 4194304 write_size 4194304,writefull 0~4194304] 2.fc8c5908 ondisk+write e7523) currently waiting for subops from 120,239 it causes slow downs on writes. iostat, load, dmesg on osds shows nothing odd. could anyone give me a hint? server: linux 3.16.0-0.bpo.4-amd64 ceph version 9.2.0 (bb2ecea240f3a1d525bcb35670cb07bd1f0ca299) running in docker container client: linux 4.4.1-2-ARCH ceph version 0.94.5 (9764da52395923e0b32908d83a9f7304401fee43) thanks fous _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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