[CHUKWA-574] Multiple metrics emite at the same time causes logger to print corrupted metrics

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Component/s: Input Tools

Environment

Java 6, Mac OS X 10.6

• Assignee: Eric Yang
• Reporter: Eric Yang
• Created: 30/Dec/10 22:55
• Updated: 02/Jan/11 05:36
• Resolved: 02/Jan/11 05:36

Description

Log4JMetricsContext only has synchronized locks to initialize the logger. When they are multiple threads trying to emite metrics, there is a slight possibility that the output of multiple metrics written as one log entry. Synchronized locks should apply for the whole emiteRecord method.