Re: Flink CEP state store

2017-12-17 Thread Dawid Wysakowicz
Hi Mahesh, You are right that it based on the Pattern you write there might be a big amount of intermittent states created. Flink CEP library keeps all its State in State Backend. So if you use e.g. RocksDBStateBackend it will be backed by disc. Nevertheless it is vital to allow clearing the s

Flink CEP state store

2017-12-15 Thread mahesh dhabade
Hello, Can anyone shed some light on the intermittent state store mechanism used by Flink CEP ? Based on the kind of pattern, the state-store may be overwhelmed with intermittent states. How does Flink CEP manage this ? Does it use a persistent store, or just an in-memory store with a cap on the n