On 11-02-15 12:57, Dennis Kramer (DT) wrote: > On Fri, 7 Nov 2014, Gregory Farnum wrote: > >> Did you upgrade your clients along with the MDS? This warning >> indicates the >> MDS asked the clients to boot some inboxes out of cache and they have >> taken >> too long to do so. >> It might also just mean that you're actively using more inodes at any >> given >> time than your MDS is configured to keep in memory. >> -Greg > How can one verify this? I'm getting the same warnings. I'm curious how > I can check if there are indeed more inodes actively used than my MDS > can keep in memory. > I think that using the admin socket you can query the MDS for how much Inodes are cached. $ ceph daemon mds.X help I don't know the exact syntax from the top of my head, but it should be something you can fetch there. And iirc it also prints this ones every X seconds in the MDS log file. Wido > Thanks. > >> On Fri, Nov 7, 2014 at 5:17 AM Daniel Takatori Ohara >> <dtohara@xxxxxxxxxxxxx> >> wrote: >> >>> Hi, >>> >>> In my cluster, when i execute the command ceph health detail, show me >>> the >>> message. >>> >>> mds0: Many clients (17) failing to respond to cache >>> pressure(client_count: >>> ) >>> >>> This message appear when i upgrade the ceph for 0.87 from 0.80.7. >>> >>> Anyone help me? >>> >>> Thank's, >>> >>> Att. >>> >>> --- >>> Daniel Takatori Ohara. >>> System Administrator - Lab. of Bioinformatics >>> Molecular Oncology Center >>> Instituto S?rio-Liban?s de Ensino e Pesquisa >>> Hospital S?rio-Liban?s >>> Phone: +55 11 3155-0200 (extension 1927) >>> R: Cel. Nicolau dos Santos, 69 >>> S?o Paulo-SP. 01308-060 >>> http://www.bioinfo.mochsl.org.br >>> >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@xxxxxxxxxxxxxx >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >> > > Kramer M.D. > Infrastructure Engineer > > ........................................................................ > Nederlands Forensisch Instituut > Digitale Technologie & Biometrie > Laan van Ypenburg 6 | 2497 GB | Den Haag > Postbus 24044 | 2490 AA | Den Haag > ........................................................................ > T 070 888 66 46 > M 06 29 62 12 02 > d.kramer@xxxxxxxxxxxxxx / dennis@xxxxxxxxx > PGP publickey: http://www.holmes.nl/dennis.asc > www.forensischinstituut.nl > ........................................................................ > Nederlands Forensisch Instituut. In feiten het beste. > ........................................................................ > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Wido den Hollander 42on B.V. Phone: +31 (0)20 700 9902 Skype: contact42on _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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