go-logger-benchmark

Benchmark

利用go testing的benchmark功能，对列出的三方库进行压力测试，利用testing的Parallel进行并发测试，分别把cpu参数设置为1，2，4进行测试。

测试脚本： https://github.com/senses2008/go-logger-benchmark

zap的性能很突出，zerolog也符合“Zero Allocation JSON Logger”的定义。

写文本格式日志

库名	op time(cpu-1)	allocs size(cpu-1)	alloc times(cpu-1)	op time(cpu-2)	allocs size(cpu-2)	alloc count(cpu-2)	op time(cpu-4)	allocs size(cpu-4)	alloc count(cpu-4)
logrus	10850 ns/op	368 B/op	11 allocs/op	13538 ns/op	368 B/op	11 allocs/op	13925 ns/op	368 B/op	11 allocs/op
zap	912 ns/op	0 B/op	0 allocs/op	510 ns/op	0 B/op	0 allocs/op	268 ns/op	0 B/op	0 allocs/op
go-logging	10143 ns/op	920 B/op	15 allocs/op	13608 ns/op	920 B/op	15 allocs/op	13342 ns/op	920 B/op	15 allocs/op
zerolog	8294 ns/op	0 B/op	0 allocs/op	10622 ns/op	0 B/op	0 allocs/op	10414 ns/op	0 B/op	0 allocs/op
seelog	10315 ns/op	440 B/op	11 allocs/op	13015 ns/op	440 B/op	11 allocs/op	12318 ns/op	440 B/op	11 allocs/op
log15	12184 ns/op	840 B/op	14 allocs/op	16081 ns/op	840 B/op	14 allocs/op	15236 ns/op	840 B/op	14 allocs/op
go-kit	7289 ns/op	96 B/op	2 allocs/op	9025 ns/op	96 B/op	2 allocs/op	9516 ns/op	96 B/op	2 allocs/op

写Json格式日志

库名	op time(cpu-1)	allocs size(cpu-1)	alloc times(cpu-1)	op time(cpu-2)	allocs size(cpu-2)	alloc count(cpu-2)	op time(cpu-4)	allocs size(cpu-4)	alloc count(cpu-4)
logrus	16302 ns/op	2144 B/op	32 allocs/op	20125 ns/op	2144 B/op	32 allocs/op	19650 ns/op	2144 B/op	32 allocs/op
zap	1159 ns/op	192 B/op	1 allocs/op	630 ns/op	192 B/op	1 allocs/op	372 ns/op	192 B/op	1 allocs/op
zerolog	9050 ns/op	0 B/op	0 allocs/op	11362 ns/op	0 B/op	0 allocs/op	12227 ns/op	0 B/op	0 allocs/op
log15	19535 ns/op	2240 B/op	32 allocs/op	23066 ns/op	2240 B/op	32 allocs/op	23577 ns/op	2240 B/op	32 allocs/op
go-kit	9221 ns/op	298 B/op	5 allocs/op	12312 ns/op	298 B/op	24 allocs/op	15428 ns/op	298 B/op	5 allocs/op