Installation

Launch local server

java -jar spring-cloud-dataflow-server-local-1.2.3.RELEASE.jar

Install kafka

brew install kafka

Launch kafka

zookeeper-server-start /usr/local/etc/kafka/zookeeper.properties & kafka-server-start /usr/local/etc/kafka/server.properties

Install Redis

Download https://redis.io/download

Compile

cd redis-XX/
make

Launch

./src/redis-server

Launch Dashboard

Dashboard link

http://localhost:9393/dashboard

Import applications (source/sink/processor)

Apps -> Bulk import http://bit.ly/Bacon-RELEASE-stream-applications-kafka-10-maven

Example project (Twitter analytics)

https://github.com/spring-cloud/spring-cloud-dataflow-samples/tree/master/analytics/twitter-analytics

Make twitter API keys and Token

https://apps.twitter.com

(1) dataflow:>stream create tweets --definition "twitterstream --consumerKey=<CONSUMER_KEY> --consumerSecret=<CONSUMER_SECRET> --accessToken=<ACCESS_TOKEN> --accessTokenSecret=<ACCESS_TOKEN_SECRET> | log"
Created new stream 'tweets'

(2) dataflow:>stream create tweetlang  --definition ":tweets.twitterstream > field-value-counter --fieldName=lang --name=language" --deploy
Created and deployed new stream 'tweetlang'

(3) dataflow:>stream create tagcount --definition ":tweets.twitterstream > field-value-counter --fieldName=entities.hashtags.text --name=hashtags" --deploy
Created and deployed new stream 'tagcount'

(4) dataflow:>stream deploy tweets
Deployed stream 'tweets'

Visualization

For real-time updates on language tags, select: Metric Type as Field-Value-Counters Stream as language Visualization as Bubble-Chart or Pie-Chart
For real-time updates on hashtags tags, select: Metric Type as Field-Value-Counters Stream as hashtags Visualization as Bubble-Chart or Pie-Chart

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