[HADOOP-10828] Allow user to reload classes

• Type: Sub-task
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: conf
• Assignee: Chris Li
• Reporter: Chris Li
• Created: 15/Jul/14 11:09
• Updated: 15/Jul/14 11:24

Description

This patch should allow reloading classes at runtime. The software will maintain a set of extra jars to load classes from. The interface for adding and removing from this set will be done using the refresh protocol and a RefreshHandler.

Considerations include:

• Which classes are eligible for reloading?
• Does reloading change existing classes?
• Does reloading affect classes created from existing Configuration objects?

Details will be added in comments for each patch preview.