10-cycle-to-prev.yaml

apiVersion: numaflow.numaproj.io/v1alpha1
kind: Pipeline
metadata:
  name: cycle-to-prev
spec:
  vertices:
    - name: in
      source:
        http: {}
    - name: cat
      udf:
        builtin:
          name: cat
    - name: retry
      scale:
        min: 1
        disabled: true # don't scale this beyond one Pod since it doesn't make sense for this particular container, which uses in-memory storage
      udf:
        container:
          # This will try each message up to 3 times before continuing, see https://github.com/numaproj/numaflow-go/tree/main/pkg/mapper/examples/retry
          # (a more realistic example might retry only on failure)
          image: quay.io/numaio/numaflow-go/map-retry:stable
    - name: out
      scale:
        min: 1
      sink:
        log: {}
  edges:
    - from: in
      to: cat
    - from: cat
      to: retry
    - from: retry
      to: cat
      conditions:
        tags:
          values:
            - retry
    - from: retry
      to: out
      conditions:
        tags:
          operator: not
          values:
            - retry