Imports github.com/golang/glog github.com/youtube/vitess/go/vt/vttablet/queryservice github.com/youtube/vitess/go/vt/proto/vtrpc github.com/youtube/vitess/go/vt/proto/topodata github.com/youtube/vitess/go/vt/vterrors google.golang.org/grpc Standard library imports flag io time