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NOTS (Night Owls Time-Sharing Service history of name) is a batch scheduled HTC cluster running on the Rice Big Research Data (BiRD) cloud infrastructure. The system consists of 226 dual socket compute blades housed within HPE s6500, HPE Apollo 2000, and Dell PowerEdge C6400 chassis. All the nodes are interconnected with 10 GigE network. In addition, the Apollo and C6400 chassis are connected with high speed Omni Path for message passing applications. There is a 160TB Lustre filesystem attached to the compute nodes via 10GbE. The system can support various work loads including single node, parallel, large memory multithreaded, and GPU jobs.


HardwareNodesCPUCoresHyperthreadedRAMDiskHigh Speed Interconnect
HPE SL230s136Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz16Yesvaries: 32GB to 128 GB4 TB/nodeNone
HPE XL170r28Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz24Yesvaries: 32GB to 128 GB200 GB/nodeOmniPath
Dell PowerEdge C642060Intel(R) Xeon(R) Gold 6126 CPU @ 2.60GHz24Yes192 GB120 GB/nodeOnmiPath


HPE SL270s2Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz16Yes128 GB4 TB/node4 x Tesla K80