Istio 1.3 with Jaeger backend

I am facing an issue while using the jaeger All-In-One (InMemory) image with Istio,

  • Jaeger is installed as below:
    apiVersion: jaegertracing.io/v1
    kind: Jaeger
    metadata:
    name: jaeger
    namespace: istio-system
    spec:
    strategy: allInOne
    sampling:
    options:
    default_strategy:
    type: probabilistic
    param: 100

But, even then, it’s sampling 1 out of 100 or more samples!

Is there something happening at istio side even before jaeger is doing something?
Any pointer on How to debug?