Ampere Computing conducted following tests on a Ceph cluster with its Arm processors.

• Block storage performance
• Object storage performance
• Ampere Arm and x86 interoperability in a single cluster
• Measuring Power consumption of Ampere and x86 servers in a cluster.
• Migrate x86 cluster to Arm with no or minimal disruption.

A snippet of Ceph block storage and power consumption on a four-node cluster with 12 OSDs is provided below.

Blog Storage Read and Write Performance

Power Consumption of a 4 Node Cluster (Q64 CPUs on Mt. Hamilton)

For more details on these tests and results, please refer our solution briefs and white papers on Ceph below.

• Ceph Solution Brief with Ampere Arm processors
• Ceph Whitepaper with Ampere Arm processors

The community version of Ceph (Quincy) was run on Ampere processors and no issues discovered in the test cases attempted. Apart from delivering good performance, we observed exceptional power savings while running Ceph. We also offered guidance for migrating existing Ceph systems on x86 processors to Ampere processors in these papers.