vishwakaria / topology-inference

Infer EC2 cluster topology using RDMA reads

topology-inference

Description

Infer EC2 cluster topology using RDMA reads

• Measure time taken for RDMA read on each peer node
• Cluster the read times to identify which nodes belong to the same spine

Build

• smddputils viskaria -hbuild -C dlc-pt1131 -src /fsx/viskaria/topology -script build.sh

Run

• ssh compute-dy-p4d24xlarge-10 "mpirun --hostfile /fsx/viskaria/topology/hostlist -np 32 --oversubscribe --allow-run-as-root /fsx/viskaria/topology/build/main"