GitHub user arunmahadevan opened a pull request:
https://github.com/apache/storm/pull/666
Storm-Kafka trident topology example
A sample word count trident topology to illustrate the use of Transactional
Kafka spout and Kafka bolt. This has the following components
1. KafkaBolt that receives random sentences from RandomSentenceSpout and
publishes the sentences to a kafka "test" topic.
2. TransactionalTridentKafkaSpout that consumes sentences from the "test"
topic, splits it into words, aggregates and stores the word count in a
MemoryMapState.
3. DRPC query that returns the word counts by querying the trident state
(MemoryMapState).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/arunmahadevan/storm storm-kafka-example
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/666.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #666
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commit 287718c8bc0f8b51ca89de4f62fcb6710d525992
Author: Arun Mahadevan <[email protected]>
Date: 2015-08-04T08:36:45Z
Storm-Kafka trident topology example
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