[FLINK-35047] Introduce ForStStateBackend to manage ForSt

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.20.0
• Component/s: Runtime / State Backends
• Labels: pull-request-available
• Assignee: Hangxiang Yu
• Reporter: Hangxiang Yu
• Created: 08/Apr/24 06:45
• Updated: 23/May/24 04:11
• Resolved: 26/Apr/24 01:51

Description

A ForStStateBackend is introduced to leverage ForSt as state store for Flink.

This ticket includes:

1. Life cycle of ForSt, including initlization/closing
2. basic options, resource control, metrics like RocksDBStateBackend

doesn't include the implementation of new AsyncKeyedStateBackend and Async State API which will be resolved in other tickets.

Issue Links

• links to: GitHub Pull Request #24682
• links to: GitHub Pull Request #24768