app1

README

app1

This application is a very basic web service developed using Chi. We will be initially using hey for load testing while we generate a heap profile as we have also added benchmarks in this project.

To run a basic load test with 200 clients using hey for 10 minute duration we can run command after executing main.go

hey -z 10m http://127.0.0.1:8090/

Now open another terminal and as we mentioned that pprof can capture the profile data via http as well we will be using command

go tool pprof -http=0.0.0.0:8888 http://localhost:6060/debug/pprof/heap

to visualise and analyse the heap profile data using pprof.

But the correct way is to use benchmarks. Run following command to generate cpu profile

go test -run=XXX -cpuprofile cpu.prof -bench .

And then to analyse the cpu profile run

go tool pprof -http=0.0.0.0:8888 cpu.prof

Now the problem is that currently benchmarks are running in a serial order but if let's say we want to run benchmarks in parallel then we will have to switch to B.RunParallel to facilitate it. Check app3 for an example.