linux - Why node.js+mongodb does not gives 100 req/sec throughput for 100 req sent in a second? -


i kept node.js sever on 1 machine , mongodb sever on machine. requests mixture of 70% read , 30% write. observed @ 100 request in second throughput 60req/sec , @ 200 requests second throughput 130 req/sec. cpu , memory usage same in both cases. if application can server 130 req/sec why has not server 100req/sec in first case since cpu , memory utilization same. machines using ubuntu server 14.04

make user threads in jmeter , use loop forever 300 sec. values.


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