[SPARK-22483] Exposing java.nio bufferedPool memory metrics to metrics system

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.3.0
• Component/s: Spark Core
• Assignee: Srinivas
• Reporter: Srinivas
• Created: 09/Nov/17 18:14
• Updated: 10/Nov/17 00:07
• Resolved: 10/Nov/17 00:07

Description

Spark currently exposes on-heap and off-heap memory of JVM to metric system. Currently there is no way to know how much direct/mapped memory allocated for java.nio buffered pools.

Issue Links

• links to: [Github] Pull Request #19709 (vundela)