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At Stanford)
- 88 Atom servers are running on CentOS 6.5.
- To setup, NIS, NFS mount, DNS server to ssh login
- To compile RAMCloud and provide python scripts for testing RAMCloud.
At NEC Japan)
- Performance improvement)
- Without replica/backup) - Single thread mode.
- 100B read (30B key): 12.4 us (min. 11.6 us) (7.3MB/s) : was 13.8us (6.9MB/s) at SEDCL retreat presentation.
- 100B write (30B key): 15.3 us (6.2MB/s) : was 18.2us (5.2MB/s) at SEDCL retreat presentation.
- Note) Spent 8.7 us spent in Intel igb driver. Contacting Intel for investigation and improvement.
- With replica/backup) - Need to enable multithread to respond backup request to collocated backup service while responding write request on master.
- 100B read (30B key): 13.2 us (min. 12.6 us) (7.2MB/s) vs. 5.1us (18.7MB/s( RAMCloud with 32Gbps Infiniband (See: clusterperf August 12, 2013 )
- 100B write (30B key): 38.0 us (2.5MB/s) vs. 15.7us (6.1MB/s) vs. RAMCloud with 32Gbps Infiniband
- The same performance both on 1.7GHz ATOM Avoton (C2730) and 2.4GHz ATOM (C2750)
- Without replica/backup) - Single thread mode.
- Further evaluation
- Preparing performance evaluation on the latest Xeon machine on 10G NIC with the same Kernel bypass driver.
- Additional host for remote maintenance and upgrading RAMCloud.
- Performance improvement)
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