# Zipkin
Zipkin tracer is a plugin of go chassis, it reports tracing data to zipkin server
## Configurations
you must import tracing plugin pkg in main.go
`go
import _ "github.com/go-chassis/go-chassis-extension/tracing/zipkin"
`
tracing.settings.URI > (optional, string) zipkin api url
tracing.settings.batchSize > (optional, string) after how many data collected, a tracer will report to server, default is 10000
tracing.settings.batchInterval > (optional, string) after how long the tracer running, a tracer will report to server, default is 10s
tracing.settings.collector > (optional, string) support http, namedPipe, default is http
tracer: zipkin settings:
URI: http://127.0.0.1:9411/api/v1/spans batchSize: 10000 batchInterval: 10s collector: http