[FLINK-31126] Move classes not depending on Flink runtime from flink-ml-core to flink-ml-servable-core

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: ml-2.2.0
• Component/s: Library / Machine Learning
• Labels: pull-request-available
• Assignee: Dong Lin
• Reporter: Dong Lin
• Created: 19/Feb/23 08:51
• Updated: 01/Mar/23 09:59
• Resolved: 01/Mar/23 09:59

Description

We would like to be able to deploy servable classes on edge devices (e.g. phone) with minimal library dependencies and memory footprint. Thus flink-ml-servable-lib module, which contains the servable classes such as KMeansServable, should not depend on Flink runtime modules (e.g. flink-table-runtime).

We need to do the following to achieve this goal:

• Keep the classes (e.g. AlgoOperator) whose API depends on Flink runtime classes (e.g. Table, DataStream) in flink-ml-core. Move the remaining classes from flink-ml-core to flink-ml-servable-core.
• flink-ml-core and all modules that currently depend on flink-ml-core should now depend on flink-ml-servable-core.
• flink-ml-servable-lib should depend on flink-ml-servable-core but not flink-ml-core.

Issue Links

• links to: GitHub Pull Request #213