[HIVE-24486] Enhance shared work optimizer to allow parallel edges

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0-alpha-1
• Labels: pull-request-available
• Assignee: Zoltan Haindrich
• Reporter: Zoltan Haindrich
• Created: 04/Dec/20 13:26
• Updated: 10/Dec/24 08:20
• Resolved: 19/Jan/21 10:03

Description

the targeted situation looks like this:

OP1 -> RS1.1 -> JOIN1.1
OP1 -> RS1.2 -> JOIN1.2 

OP2 -> RS2.1 -> JOIN1.1 -> RS3.1 
OP2 -> RS2.2 -> JOIN1.2 -> RS3.2 

Issue Links

• causes: HIVE-27006 ParallelEdgeFixer inserts misconfigured operator and does not connect it in Tez DAG
• links to: GitHub Pull Request #1840
• links to: j