go-log-libraries

README

Go log libraries

Project to compare Golang logging libraries

Libraries (sorted by performances)

1. zerolog
2. zap
3. logrus
4. fmt (package included)
5. log (package included)

Usage samples

export GO111MODULE=on

go run zerolog.go

go run zap.go

go run logrus.go

Benchmark

Inside an application

Run server

export GO111MODULE=on
go run compare.go

Run single-print load test

go get github.com/tsliwowicz/go-wrk

go-wrk -c 1000 -d 10 -T 20000 http://0.0.0.0:8080/zerolog

go-wrk -c 1000 -d 10 -T 20000 http://0.0.0.0:8080/zap

go-wrk -c 1000 -d 10 -T 20000 http://0.0.0.0:8080/logrus

Run multiple-prints load test

go get github.com/tsliwowicz/go-wrk

go-wrk -c 1000 -d 10 -T 20000 http://0.0.0.0:8080/zerolog100

go-wrk -c 1000 -d 10 -T 20000 http://0.0.0.0:8080/zap100

go-wrk -c 1000 -d 10 -T 20000 http://0.0.0.0:8080/logrus100

Run context switches and syscalls monitor

sudo strace -c -t -p $(pid)

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Links

• https://medium.com/techlog/does-logging-cause-cpu-load-a-test-of-all-the-golang-logging-libraries-34052240f90d
• https://medium.com/a-journey-with-go/go-how-zap-package-is-optimized-dbf72ef48f2d
• https://github.com/uber-go/zap
• https://github.com/rs/zerolog
• https://github.com/sirupsen/logrus