105 lines
2.2 KiB
Markdown
105 lines
2.2 KiB
Markdown
|
go-metrics
|
||
|
|
==========
|
||
|
|
|
||
|
|
Go port of Coda Hale's Metrics library: <https://github.com/codahale/metrics>.
|
||
|
|
|
||
|
|
Documentation: <http://godoc.org/github.com/rcrowley/go-metrics>.
|
||
|
|
|
||
|
|
Usage
|
||
|
|
-----
|
||
|
|
|
||
|
|
Create and update metrics:
|
||
|
|
|
||
|
|
```go
|
||
|
|
c := metrics.NewCounter()
|
||
|
|
metrics.Register("foo", c)
|
||
|
|
c.Inc(47)
|
||
|
|
|
||
|
|
g := metrics.NewGauge()
|
||
|
|
metrics.Register("bar", g)
|
||
|
|
g.Update(47)
|
||
|
|
|
||
|
|
s := metrics.NewExpDecaySample(1028, 0.015) // or metrics.NewUniformSample(1028)
|
||
|
|
h := metrics.NewHistogram(s)
|
||
|
|
metrics.Register("baz", h)
|
||
|
|
h.Update(47)
|
||
|
|
|
||
|
|
m := metrics.NewMeter()
|
||
|
|
metrics.Register("quux", m)
|
||
|
|
m.Mark(47)
|
||
|
|
|
||
|
|
t := metrics.NewTimer()
|
||
|
|
metrics.Register("bang", t)
|
||
|
|
t.Time(func() {})
|
||
|
|
t.Update(47)
|
||
|
|
```
|
||
|
|
|
||
|
|
Periodically log every metric in human-readable form to standard error:
|
||
|
|
|
||
|
|
```go
|
||
|
|
go metrics.Log(metrics.DefaultRegistry, 60e9, log.New(os.Stderr, "metrics: ", log.Lmicroseconds))
|
||
|
|
```
|
||
|
|
|
||
|
|
Periodically log every metric in slightly-more-parseable form to syslog:
|
||
|
|
|
||
|
|
```go
|
||
|
|
w, _ := syslog.Dial("unixgram", "/dev/log", syslog.LOG_INFO, "metrics")
|
||
|
|
go metrics.Syslog(metrics.DefaultRegistry, 60e9, w)
|
||
|
|
```
|
||
|
|
|
||
|
|
Periodically emit every metric to Graphite:
|
||
|
|
|
||
|
|
```go
|
||
|
|
addr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:2003")
|
||
|
|
go metrics.Graphite(metrics.DefaultRegistry, 10e9, "metrics", addr)
|
||
|
|
```
|
||
|
|
|
||
|
|
Periodically emit every metric into InfluxDB:
|
||
|
|
|
||
|
|
```go
|
||
|
|
import "github.com/rcrowley/go-metrics/influxdb"
|
||
|
|
|
||
|
|
go influxdb.Influxdb(metrics.DefaultRegistry, 10e9, &influxdb.Config{
|
||
|
|
Host: "127.0.0.1:8086",
|
||
|
|
Database: "metrics",
|
||
|
|
Username: "test",
|
||
|
|
Password: "test",
|
||
|
|
})
|
||
|
|
```
|
||
|
|
|
||
|
|
Periodically upload every metric to Librato:
|
||
|
|
|
||
|
|
```go
|
||
|
|
import "github.com/rcrowley/go-metrics/librato"
|
||
|
|
|
||
|
|
go librato.Librato(metrics.DefaultRegistry,
|
||
|
|
10e9, // interval
|
||
|
|
"example@example.com", // account owner email address
|
||
|
|
"token", // Librato API token
|
||
|
|
"hostname", // source
|
||
|
|
[]float64{0.95}, // precentiles to send
|
||
|
|
time.Millisecond, // time unit
|
||
|
|
)
|
||
|
|
```
|
||
|
|
|
||
|
|
Periodically emit every metric to StatHat:
|
||
|
|
|
||
|
|
```go
|
||
|
|
import "github.com/rcrowley/go-metrics/stathat"
|
||
|
|
|
||
|
|
go stathat.Stathat(metrics.DefaultRegistry, 10e9, "example@example.com")
|
||
|
|
```
|
||
|
|
|
||
|
|
Installation
|
||
|
|
------------
|
||
|
|
|
||
|
|
```sh
|
||
|
|
go get github.com/rcrowley/go-metrics
|
||
|
|
```
|
||
|
|
|
||
|
|
StatHat support additionally requires their Go client:
|
||
|
|
|
||
|
|
```sh
|
||
|
|
go get github.com/stathat/go
|
||
|
|
```
|