[MADLIB-1100] PageRank default threshold value seems to be 1e-5

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v1.12
• Component/s: Module: Graph
• Assignee: Unassigned
• Reporter: Nandish Jayaram
• Created: 09/May/17 20:58
• Updated: 30/May/17 23:45
• Resolved: 25/May/17 16:50

Description

The threshold parameter in MADlib's pagerank is supposed to be 1/(num_of_vertices * 100) as mentioned in the docs. But the default value seems to be 1e-5 instead. This causes PageRank to converge right after the first iteration for larger graphs (million nodes graph).

Issue Links

• links to: GitHub Pull Request #137