[HADOOP-9087] Queue size metric for metric sinks isn't actually maintained

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.7.0
• Component/s: metrics
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Akira Ajisaka
• Reporter: Mostafa Elhemali
• Created: 24/Nov/12 04:35
• Updated: 31/Jul/17 09:30
• Resolved: 19/Feb/15 17:39

Description

Came across this while looking at the code for the metrics system: the qsize gauge in the MetricsSinkAdapter is not updated/maintained so it will always be zero (there's a compiler warning about it actually).

Issue Links

• is duplicated by: HADOOP-9941 MetricsSystem Sink_Qsize always shows 0
• is related to: HADOOP-14702 Fix formatting issue and regression caused by conversion from APT to Markdown