RadosGW is pretty light compared to the rest of Ceph, but it depends on your use case.
RadosGW just needs network bandwidth and a bit of CPU. It doesn't access the cluster network, just the public network. If you have some spare public network bandwidth, you can run on existing nodes. If you plan to build a big object store, you should dedicate some nodes. Either way, you'll want a big enough load balancer in front of them. RadosGW is just HTTP, so re-organizing the RadosGW topology is very easy. For dedicated hardware, I would use the same hardware that I use for a MON node. For network bandwidth planning, think of RadosGW as a load balancer. It's simplistic, but it works to a first approximation. An upload comes in to RadosGW, and gets streamed out to the OSDs. A download request is made, RadosGW pulls the data from the OSDs, and sends it to the client. If you want the RadosGW public IPs on a network that isn't the ceph public network, then I'd give them dedicated hardware with a connection to the HTTP network and the ceph public network. I only have 7 nodes in my cluster, and all RadosGW processes use a total of ~150 Mbps. Because my usage is light, I'm running Apache and RadosGW daemon on the MON nodes. Once those nodes start using 50% of their public network bandwidth, I'll move RadosGW to dedicated hardware. On Wed, May 6, 2015 at 2:09 PM, Italo Santos <okd...@gmail.com> wrote: > Hello everyone, > > I’m build a new infrastructure which will serve S3 protocol, and I’d like > your help to estimate a hardware configuration to radosgw servers. I found > many information on - > http://ceph.com/docs/master/start/hardware-recommendations/ but nothing > about the radosgw daemon. > > Regards. > > *Italo Santos* > http://italosantos.com.br/ > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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