1. Berlin Apache Flink Meetup #9
Community Update
July 2015
Robert Metzger
Committer and PMC Member
rmetzger@apache.org
@rmetzger_

2. Apache Flink is an open source platform for
scalable batch and stream data processing.
Apache Flink is …
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• The core of Flink is a distributed
streaming dataflow engine.
• Executing dataflows in
parallel on clusters
• Providing a reliable
foundation for various
workloads
• DataSet and DataStream
programming abstractions are
the foundation for user programs
and higher layers

3. One engine for many use cases
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Real time streaming
topologies
Machine Learning at scale
Graph Analysis
Long batch
pipelines

4. What happened?
• Flink on Wikipedia:
https://en.wikipedia.org/wiki/Apache_Flink
• New JobManager Dashboard
• Apache SAMOA 0.3.0-incubating with
Flink integration
• New “Features” page
• Contributors list (can you spot your
name?)
https://cwiki.apache.org/confluence/display/
FLINK/List+of+contributors
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5. New JobManager Dashboard
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6. New JobManager Dashboard
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7. New Features page
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8. New Architecture diagram in 0.10
documentation
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9. Now in master (0.10-SNAPSHOT)
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• Low watermarks / Event time
• New JM Dashboard
• Akka messages are now aware of leader
IDs (for HA)
• Zookeeper integration (for HA)
• Live accumulators (runtime only)
• Stability improvements

10. Articles and Meetups
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1. Meetup in Chicago
(Slides [2])
Meetup in Hamburg [3]
[1] http://www.diva-portal.org/smash/get/diva2:843219/FULLTEXT01.pdf
[2] http://www.slideshare.net/sbaltagi/overview-of-apacheflinkbyslimbaltagi
[3] https://www.smaato.com/big-data-nosql-meetup-hamburg-with-apache-flink-at-smaato/
• Master Thesis: Streaming Predictive Analytics on Apache Flink [1]

11. Happy users on Twitter
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12. GitHub stats
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520+ Stars

13. Upcoming
• Chicago: Flink Training @ Capital One
• Bay Area: Stream & Graph Processing @
MapR
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14. Flink Forward registration & call for
abstracts is open now
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• 12/13 October 2015
• Kulturbrauerei Berlin
• With Flink Workshops / Trainings!