[CAY-1680] Get rid of shared locks in DataDomain metadata lookups

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1M3
• Fix Version/s: 3.1B1
• Component/s: Core Library
• Assignee: Andrus Adamchik
• Reporter: Andrus Adamchik
• Created: 01/Mar/12 07:38
• Updated: 01/Mar/12 08:22
• Resolved: 01/Mar/12 08:22

Description

We can improve performance by using concurrent collections instead of synchronizing the HashMap. This includes:

DataDomain.properties
DataDomain.nodes
DataDomain.nodesByDataMapName

Also instead of reindexing on failed lookups, we can simply lazy-fill collection from a given DataMap