Re: [ceph-users] Ceph Tuning + KV backend

2015-09-09 Thread Jan Schermer
You actually can't know what the network contention is like - you see virtual NICs, but those are overprovisioned on the physical hosts, and the backbone between AWS racks/datacenters are overprovisioned as well (likely). The same goes for CPU and RAM - depending on your kernel and how AWS is set

Re: [ceph-users] Ceph Tuning + KV backend

2015-09-08 Thread Haomai Wang
On Wed, Sep 9, 2015 at 3:00 AM, Niels Jakob Darger wrote: > Hello, > > Excuse my ignorance, I have just joined this list and started using Ceph > (which looks very cool). On AWS I have set up a 5-way Ceph cluster (4 vCPUs, > 32G RAM, dedicated SSDs for system, osd and journal) with the Object > Ga

[ceph-users] Ceph Tuning + KV backend

2015-09-08 Thread Niels Jakob Darger
Hello, Excuse my ignorance, I have just joined this list and started using Ceph (which looks very cool). On AWS I have set up a 5-way Ceph cluster (4 vCPUs, 32G RAM, dedicated SSDs for system, osd and journal) with the Object Gateway. For the purpose of simplicity of the test all the nodes ar