[HDFS-14801] PrometheusMetricsSink: Better support for NNTop

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: metrics
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: Akira Ajisaka
• Created: 30/Aug/19 01:55
• Updated: 21/Sep/21 01:52
• Resolved: 21/Sep/21 01:50

Description

Now nntop metrics is flattened as dfs.NNTopUserOpCounts.windowMs=<windowMs>.op=<op>.user=<user>.count.

I'd like to make windowMs, op, and user as label instead of name for more prometheus-friendly metrics.

Issue Links

• is duplicated by: HADOOP-17893 Improve PrometheusSink for Namenode TopMetrics
• links to: GitHub Pull Request #1392