Update rate limit task with new mixer configuration (#478)
Update rate limit task with new mixer configuration (#478)

* Update rate limit task with new mixer configuration

* review comments

* more comments

jasminejaksic/istio.github.io,jasminejaksic/istio.github.io,linsun/istio.github.io,geeknoid/istio.github.io,istio/istio.io,geeknoid/istio.github.io,smawson/istio.github.io,jasminejaksic/istio.github.io,linsun/istio.github.io,istio/istio.io,istio/istio.io,jasminejaksic/istio.github.io,istio/istio.io,smawson/istio.github.io,geeknoid/istio.github.io,istio/istio.io,geeknoid/istio.github.io,ZackButcher/istio.github.io,linsun/istio.github.io,ZackButcher/istio.github.io,istio/istio.io,linsun/istio.github.io,istio/istio.io,ZackButcher/istio.github.io,linsun/istio.github.io,ZackButcher/istio.github.io,smawson/istio.github.io,smawson/istio.github.io,geeknoid/istio.github.io