[FLINK-3181] The vertex-centric SSSP example and library method send unnecessary messages during the first superstep

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.10.0
• Fix Version/s: 1.0.0
• Component/s: Library / Graph Processing
• Assignee: Vasia Kalavri
• Reporter: Vasia Kalavri
• Created: 17/Dec/15 14:26
• Updated: 28/Dec/15 13:37
• Resolved: 28/Dec/15 13:37

Description

The result is correct, but the current implementation has unnecessary message overhead in the first superstep. The Messaging function should only produce messages from the source during the first superstep. This can be fixed with a simple check of the vertex value.