[HIVE-19319] RuntimeStats fixes

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Target Version/s: 3.0.0
• Assignee: Zoltan Haindrich
• Reporter: Zoltan Haindrich
• Created: 26/Apr/18 17:46
• Updated: 22/May/18 23:14
• Resolved: 30/Apr/18 20:30

Description

there are some minor issues which were found during testing:

• 0 sized map is persisted
• if reoptimization occurs write happens twice
• move entry limit to only apply to the cache
• ensure that executor not get blocked