[FLINK-14062] Set managed memory fractions according to slot sharing groups

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.10.0
• Component/s: Runtime / Task
• Labels: pull-request-available
• Assignee: Zhu Zhu
• Reporter: Xintong Song
• Created: 12/Sep/19 02:51
• Updated: 21/Nov/19 11:07
• Resolved: 21/Nov/19 11:07

Description

• For operators with specified ResourceSpecs, calculate fractions according to operators ResourceSpecs
• For operators with unknown ResourceSpecs, calculate fractions according to number of operators using managed memory

This step should not introduce any behavior changes.

Issue Links

• blocks: FLINK-14063 Operators use fractions to decide how many managed memory to allocate
• is blocked by: FLINK-14060 Set slot sharing groups according to pipelined regions
• is blocked by: FLINK-14061 Introduce managed memory fractions to StreamConfig
• is blocked by: FLINK-14734 Add a ResourceSpec in SlotSharingGroup to describe its overall resources
• links to: GitHub Pull Request #10200