[HADOOP-6693] Add metrics to track kerberos login activity

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.22.0
• Fix Version/s: 0.22.0
• Hadoop Flags: Reviewed
• Release Note: New metrics "login" of type MetricTimeVaryingRate is added under new metrics context name "ugi" and metrics record name "ugi".
• Assignee: Suresh Srinivas
• Reporter: Suresh Srinivas
• Created: 08/Apr/10 21:44
• Updated: 12/Dec/11 06:19
• Resolved: 17/Aug/10 20:05

Description

Need metrics to track kerberos login activity such as login rate and the time taken for login.