[AMBARI-25587] Metrics cannot be stored and the exception message is null when metric value is NaN

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.4, 2.7.5
• Fix Version/s: 2.8.0, 2.7.6
• Component/s: ambari-metrics
• Labels: pull-request-available

Environment

Ambari:2.7.4

• Assignee: Unassigned
• Reporter: huangkunlun
• Created: 16/Nov/20 10:28
• Updated: 15/Nov/22 14:59
• Resolved: 24/Nov/20 16:19

Description

The exception information frequently appeared in ambari-metrics-collector.log as follows：

2020-11-12 12:28:11,200 WARN org.apache.ambari.metrics.core.timeline.PhoenixHBaseAccessor: Failed on insert records to store : null
2020-11-12 12:28:11,200 WARN org.apache.ambari.metrics.core.timeline.PhoenixHBaseAccessor: Metric that cannot be stored : [default.General.hs2_avg_active_session_time,hiveserver2]{1605155168235=NaN, 1605155198236=NaN, 1605155228235=NaN, 1605155258235=NaN}

The exception message of metrics written to HBase is directly displayed as null.

Issue Links

• links to: GitHub PR#3262
• links to: GitHub Pull Request #72