Stefan Richter created FLINK-9486: ------------------------------------- Summary: Introduce TimerState in keyed state backend Key: FLINK-9486 URL: https://issues.apache.org/jira/browse/FLINK-9486 Project: Flink Issue Type: Sub-task Components: State Backends, Checkpointing Reporter: Stefan Richter Fix For: 1.6.0
This is the first implementation subtask. Goal of this PR is to introduce a timer state that is registered with the keyed state backend, similar to other forms of keyed state. For the {{HeapKeyedStateBackend}}, this state lives on the same level as the {{StateTable}} that hold other forms of keyed state, and the implementation is basically backed by {{InternalTimerHeap}}. For {{RocksDBKeyedStateBackend}}, in this first step, we also introduce this state, outside of RocksDB and based upon {{InternalTimerHeap}}. This is an intermediate state, and we will later also implement the alternative to store the timers inside a column families in RocksDB. However, by taking this step, we could also still offer the option to have RocksDB state with heap-based timers. -- This message was sent by Atlassian JIRA (v7.6.3#76005)