[HBASE-25860] Add metric for successful wal roll requests.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.6.0
• Fix Version/s: 3.0.0-alpha-1, 1.7.0, 2.5.0, 2.4.3, 2.3.6
• Component/s: metrics, wal
• Hadoop Flags: Reviewed
• Assignee: Rushabh Shah
• Reporter: Rushabh Shah
• Created: 06/May/21 15:14
• Updated: 09/May/21 13:32
• Resolved: 08/May/21 07:43

Description

We don't have any metric for number of successful wal roll requests. If we have that metric then we can add some alerts if that metric is stuck for some reason.

Issue Links

• links to: GitHub Pull Request #3238
• links to: GitHub Pull Request #3241