[HBASE-27439] metrics method removeHistogramMetrics trigger serious memory leak

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Abandoned
• Affects Version/s: 2.4.14
• Component/s: metrics, regionserver

Environment

java linux

• Assignee: Unassigned
• Reporter: tianliuhe
• Created: 21/Oct/22 02:23
• Updated: 21/Oct/22 02:44
• Resolved: 21/Oct/22 02:44

Description

the method removeHistogramMetrics will cause the metricsMap leak!
because the put op in the map is the baseName but the remove is not , the origin code add the histogramSuffixe follow the baseName when remove.