[IMPALA-8583] Add metrics for authentication

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 3.3.0
• Fix Version/s: Impala 3.4.0
• Component/s: Backend
• Epic Color: ghx-label-5
• Assignee: Thomas Tauber-Marshall
• Reporter: Thomas Tauber-Marshall
• Created: 24/May/19 03:39
• Updated: 19/Mar/20 20:02
• Resolved: 19/Mar/20 20:02

Description

It would be useful to expose some metrics related to authentication eg. number of failed/succeeded LDAP and Kerberos attempts