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Description
1、 latency Test
(1)use rdma
./build/example/install/hadronio/bin/hadronio netty benchmark latency -a 172.37.64.10 -l 4096 -m 100000 -s
result:
totalData: 409.600 MByte (409600000),
totalTime: 2.298 s (2.297766),
(2)use tcp
export DISABLE_HADRONIO=true
./build/example/install/hadronio/bin/hadronio netty benchmark latency -a 172.37.64.10 -l 4096 -m 100000 -s
result:
totalData: 409.600 MByte (409600000),
totalTime: 3.705 s (3.705482),
It can be seen that rdma performance is better than tcp
2、throughput Test
(1)use rdma
./build/example/install/hadronio/bin/hadronio netty benchmark throughput -a 172.37.64.10 -l 4096 -m 1000000 -s
result:
totalData: 4.096 GByte (4096000000),
totalTime: 1.449 s (1.448662),
operationThroughput: 690.292 KOperations/s (690292.375116),
dataThroughput: 2.827 GByte/s (2827437568.476917)
(2)use tcp
export DISABLE_HADRONIO=true
./build/example/install/hadronio/bin/hadronio netty benchmark throughput -a 172.37.64.10 -l 4096 -m 1000000 -s
result :
totalData: 4.096 GByte (4096000000),
totalTime: 1.347 s (1.346812),
operationThroughput: 742.494 KOperations/s (742493.940533),
dataThroughput: 3.041 GByte/s (3041255180.422916)
In this test, it can be seen that rdma performance is close to tcp, even not as good as tcp,However, in the delay test, rdma performance is significantly better than tcp. Why is this?