Quoting Stefan Kooman (stefan@xxxxxx): > Quoting Dan van der Ster (dan@xxxxxxxxxxxxxx): > > Hi, > > > > We've used double the defaults for around 6 months now and haven't had any > > behind on trimming errors in that time. > > > > mds log max segments = 60 > > mds log max expiring = 40 > > > > Should be simple to try. > Yup, and works like a charm: > > ceph tell mds.* injectargs '--mds_log_max_segments=60' > ceph tell mds.* injectargs '--mds_log_max_expiring=40' ^^ I have bumped these again to "--mds_log_max_segments=120" and "--mds_log_max_expiring=80" cause while doing 2K objects/sec (client IO 120 MB/s ~ 12000 IOPS) the MDS was behind on trimming again. FYI, Gr. Stefan -- | BIT BV http://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
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