[S2GRAPH-66] Optimize toEdge, IndexEdgeDeserializable using mutable Map.

• Type: Improvement
• Status: Done
• Priority: Major
• Resolution: Done
• Fix Version/s: 0.1.0
• Labels: serde write
• Assignee: Do Yung Yoon
• Reporter: Do Yung Yoon
• Due: 29/Apr/16
• Created: 18/Apr/16 09:09
• Updated: 11/Jun/16 14:16
• Resolved: 11/Jun/16 14:16

Description

since Storage#toEdge is called lots of times(# of edges query traverse), I think it is worth to optimize futher.

based on profile, we can notice that List#toMap and List#++ on two list takes many cpu time on toEdge(actually IndexEdgeDeserializable#fromKeyValues).

we can avoid List#toMap and List#++ by using MapBuilder and give up functional style here.

I think code looks ugly(maybe not), but we can remove unnecessary cpu usage.

Issue Links

• links to: GitHub Pull Request #50

Sub-Tasks

• Change IndexEdge's props data type.: Done
• Separate Serializable's toKeyValues into 3, toRowKey, toQualifier, toValue: Done