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S4 - Stream Computing Platform

For more information, see s4.io

Requirements

  • Linux
  • Java 1.6

Build Instructions

  • Build using Gradle

    • USAGE: gradlew TASK1, TASK2, ...

    • Main Tasks:

      • clean: deletes all the build dirs
      • jar: creates all the jars in PROJECT/build/libs
      • binImage: creates an image in the ./build subdir that includes jars, scripts, and other resources required to run the S4 server and sample applications.
      • binTgz: same in a gzipped tar file in ./build/distributions.
      • allImage: creates an image in the ./build subdir that includes what is in binImage plus sources, javadoc, and other documents.
      • allTgz: same in a gzipped tar file in ./build/distributions.
      • install: installs jars and POMs in local Maven repo (eg. ~/.m2)

The S4 Image Structure

build/s4-image/
            bin/
            s4-ext/
            s4-example-apps/
            s4-apps/
                    app-name1/
                              lib/
                                  (app-name1-*.jar)
                              app-name1-conf.xml
            s4-core/      
                    lib/
                    conf/
                    lock/
                    logs

            s4-driver/lib/
                           driver jar
                           dependencies jars
                           java examples jar
                      bin/
                           python, perl, and shell scripts

Running the Twitter Topic Count Example

#  Download the project files from the repository.
git clone https://github.com/s4/s4.git

# Create image
gradlew allImage

# Change permissions
chmod u+x ./build/s4-image/scripts/*

# Copy S4 application to deployment dir (s4-apps)
cp -rp build/s4-image/s4-example-apps/s4-example-twittertopiccount build/s4-image/s4-apps/

# Enter your twitter user/pass in config file
$EDITOR build/s4-image/s4-apps/s4-example-twittertopiccount/adapter-conf.xml 

# Start server with s4-example-twittertopiccount app
./build/s4-image/scripts/s4-start.sh &

# Start adapter
 ./build/s4-image/scripts/run-adapter.sh -x -u build/s4-image/s4-apps/s4-example-twittertopiccount/lib/s4-example-twittertopiccount-0.3-SNAPSHOT.jar -d build/s4-image/s4-apps/s4-example-twittertopiccount/adapter-conf.xml &

# Check output
cat /tmp/top_n_hashtags