发现一个很快的golang logging模块：github.com/uber-go/zap

github地址：https://github.com/uber-go/zap

Log a message and 10 fields:

Package	Time	Objects Allocated
zap	3131 ns/op	5 allocs/op
zap (sugared)	4173 ns/op	21 allocs/op
zerolog	16154 ns/op	90 allocs/op
lion	16341 ns/op	111 allocs/op
go-kit	17049 ns/op	126 allocs/op
logrus	23662 ns/op	142 allocs/op
log15	36351 ns/op	149 allocs/op
apex/log	42530 ns/op	126 allocs/op

Log a message with a logger that already has 10 fields of context:

Package	Time	Objects Allocated
zap	380 ns/op	0 allocs/op
zap (sugared)	564 ns/op	2 allocs/op
zerolog	321 ns/op	0 allocs/op
lion	7092 ns/op	39 allocs/op
go-kit	20226 ns/op	115 allocs/op
logrus	22312 ns/op	130 allocs/op
log15	28788 ns/op	79 allocs/op
apex/log	42063 ns/op	115 allocs/op

Log a static string, without any context or printf-style templating:

Package	Time	Objects Allocated
zap	361 ns/op	0 allocs/op
zap (sugared)	534 ns/op	2 allocs/op
zerolog	323 ns/op	0 allocs/op
standard library	575 ns/op	2 allocs/op
go-kit	922 ns/op	13 allocs/op
lion	1413 ns/op	10 allocs/op
logrus	2291 ns/op	27 allocs/op
apex/log	3690 ns/op	11 allocs/op
log15	5954 ns/op	26 allocs/op