[KAFKA-385] RequestPurgatory enhancements - expire/checkSatisfy issue; add jmx beans

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.8.0
• Labels: bugs
• Assignee: Joel Jacob Koshy
• Reporter: Joel Jacob Koshy
• Created: 29/Jun/12 22:40
• Updated: 16/Aug/12 23:35
• Resolved: 16/Aug/12 21:28

Description

As discussed in KAFKA-353:
1 - There is potential for a client-side race condition in the implementations of expire and checkSatisfied. We can just synchronize on the DelayedItem.
2 - Would be good to add jmx beans to facilitate monitoring RequestPurgatory stats.