[FLINK-9210] Call getValue() only once in gauge serialization

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4.2
• Fix Version/s: 1.4.3, 1.5.0
• Component/s: Runtime / Metrics
• Assignee: Chesnay Schepler
• Reporter: Jisu You
• Created: 18/Apr/18 16:06
• Updated: 25/Apr/18 07:34
• Resolved: 18/Apr/18 16:19

Description

MetricDumpSerialization.serializeGauge() calls gauge.getValue twice in gauge serialization. This is troublesome for those who reset gauges in getValue. serializeGauge() should only call getValue once.

Issue Links

• links to: GitHub Pull Request #5875