go-micro/examples/sharding/README.md

Sharding

A sharding example using the greeter application and a X-From-User header as the sharding key

Contents

• api.go - a modified version of the greeter api to include sharding

Run

Greeter Service

Run multiple copies of the greeter

cd ../greeter
go run srv/main.go

Greeter API

go run api.go

Micro API

micro api

Call API

Call the API with X-From-User header. Change the user to see the effects of sharding.

curl  -H "X-From-User: john" http://localhost:8080/greeter/say/hello?name=John