On 07/07/2014 04:09 PM, Lazuardi Nasution wrote: > Any calculation of required memory of MDS nodes related to the OSD nodes MDS memory usage depends on the amount of inodes it caches. By default this is 100k, but I'm not sure how many (kilo)bytes it uses for a single inode. But be aware, CephFS is still under heavy development, so a lot can change! Wido > total capacity? > > Date: Sun, 06 Jul 2014 15:00:14 +0200 > From: Wido den Hollander <wido at 42on.com <mailto:wido at 42on.com>> > To: ceph-users at lists.ceph.com <mailto:ceph-users at lists.ceph.com> > Subject: Re: [ceph-users] Combining MDS Nodes > Message-ID: <53B9485E.6070702 at 42on.com > <mailto:53B9485E.6070702 at 42on.com>> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > On 07/06/2014 02:42 PM, Lazuardi Nasution wrote: > > Hi, > > > > Is it possible to combine MDS and MON or OSD inside the same > node? Which > > one is better, MON with MDS or OSD with MDS? > > > > Yes, not a problem. Be aware, the MDS can be memory hungry depending on > your active data set. > > There is no golden rule for mixing daemons however. > > CephFS is not stable yet however, keep that in mind! > > > How do I configure OSD and MDS to allow two kind of public network > > connections, standard (1 GbEs) and jumbo (10 GbEs). I want to take > > advantage of jumbo frame for some supported clients. > > That's not possible. There can only be one public network, so your idea > is not feasible. > > > > > Best regards, > > -- > Wido den Hollander > 42on B.V. > Ceph trainer and consultant > > Phone: +31 (0)20 700 9902 <tel:%2B31%20%280%2920%20700%209902> > Skype: contact42on > > > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Wido den Hollander 42on B.V. Ceph trainer and consultant Phone: +31 (0)20 700 9902 Skype: contact42on
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