eco-storm-examples/src/java/com/twitter/heron/examples/eco/simple_wordcount.yaml

#  Copyright 2017 Twitter. All rights reserved.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#  http:#www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

---

# topology definition
# name to be used when submitting
name: "simple-wordcount-topology"

# topology configuration
# this will be passed to the submitter as a map of config options
#
config:
  topology.workers: 2
  topology.component.resourcemap:

    - id: "spout-1"
      ram: 256MB # The minimum value for a component's specified ram is 256MB
      cpu: 0.5
      disk: 4GB

    - id: "bolt-1"
      ram: 256MB # The minimum value for a component's specified ram is 256MB
      cpu: 0.5
      disk: 2GB

  topology.component.jvmoptions:

   - id: "spout-1"
     options: ["-XX:NewSize=300m", "-Xms2g"]

# spout definitions
spouts:
  - id: "spout-1"
    className: "com.twitter.heron.examples.eco.TestNameSpout"
    parallelism: 1

# bolt definitions
bolts:
  - id: "bolt-1"
    className: "com.twitter.heron.examples.eco.TestNameCounter"
    parallelism: 1

  - id: "bolt-2"
    className: "com.twitter.heron.examples.eco.LogInfoBolt"
    parallelism: 1

#stream definitions
# stream definitions define connections between spouts and bolts.
# note that such connections can be cyclical
streams:
  - from: "spout-1"
    to: "bolt-1"
    grouping:
      type: FIELDS
      args: ["word"]

  - from: "bolt-1"
    to: "bolt-2"
    grouping:
      type: SHUFFLE