Elias Levy created FLINK-3692:
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             Summary: Develop a Kafka state backend
                 Key: FLINK-3692
                 URL: https://issues.apache.org/jira/browse/FLINK-3692
             Project: Flink
          Issue Type: New Feature
          Components: Core
            Reporter: Elias Levy


Flink clusters usually consume of a Kafka cluster.  It simplify operations if 
Flink could store its state checkpoints in Kafka.  This should be possibly 
using different topics to write to, partitioning appropriately, and using 
compacted topics.  This would avoid the need to run an HDFS cluster just to 
store Flink checkpoints.

For inspiration you may want to take a look at how Samza checkpoints a task's 
local state to a Kafka topic, and how the newer Kafka consumers checkpoint 
their offsets to Kafka.



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