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# Licensed to the Apache Software Foundation (ASF) under one
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# regarding copyright ownership. The ASF licenses this file
# to you 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
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---
# NOTE: To use this example, you will need to modify `src/main/resources/hbase-site.xml`
# to point to your HBase instance, and then repackage with `mvn package`.
# This is a known issue.
# topology definition
# name to be used when submitting
name: "hbase-persistent-wordcount"
# Components
components:
- id: "columnFields"
className: "org.apache.storm.tuple.Fields"
constructorArgs:
- ["word"]
- id: "counterFields"
className: "org.apache.storm.tuple.Fields"
constructorArgs:
- ["count"]
- id: "mapper"
className: "org.apache.storm.hbase.bolt.mapper.SimpleHBaseMapper"
configMethods:
- name: "withRowKeyField"
args: ["word"]
- name: "withColumnFields"
args: [ref: "columnFields"]
- name: "withCounterFields"
args: [ref: "counterFields"]
- name: "withColumnFamily"
args: ["cf"]
# topology configuration
# this will be passed to the submitter as a map of config options
config:
topology.workers: 1
hbase.conf:
hbase.rootdir: "${hbase.rootdir}"
hbase.zookeeper.quorum: "${hbase.zookeeper.quorum}"
# spout definitions
spouts:
- id: "word-spout"
className: "org.apache.storm.testing.TestWordSpout"
parallelism: 1
# bolt definitions
bolts:
- id: "count-bolt"
className: "org.apache.storm.flux.examples.WordCounter"
parallelism: 1
- id: "hbase-bolt"
className: "org.apache.storm.hbase.bolt.HBaseBolt"
constructorArgs:
- "WordCount" # HBase table name
- ref: "mapper"
configMethods:
- name: "withConfigKey"
args: ["hbase.conf"]
parallelism: 1
streams:
- name: "" # name isn't used (placeholder for logging, UI, etc.)
from: "word-spout"
to: "count-bolt"
grouping:
type: SHUFFLE
- name: "" # name isn't used (placeholder for logging, UI, etc.)
from: "count-bolt"
to: "hbase-bolt"
grouping:
type: FIELDS
args: ["word"]