[DRILL-4000] In all non-root fragments, Drill recreates storage plugin instances for every minor fragment

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.0
• Assignee: Jacques Nadeau
• Reporter: Jacques Nadeau
• Reviewer: Dechang Gu
• Created: 31/Oct/15 21:53
• Updated: 17/Dec/15 17:50
• Resolved: 02/Nov/15 02:58

Description

Drill is creating ephemeral storage plugin instances when a plan is deserialized. As such, every minor fragment of a query has Drill create a separate storage plugin instance. Depending on the cost of storage plugin creation, this could be quite expensive.