[SPARK-30478] Fix memory package doc

• Type: Documentation
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.2, 2.1.3, 2.2.3, 2.3.4, 2.4.4, 3.0.0
• Fix Version/s: 2.4.5, 3.0.0
• Component/s: Documentation, Spark Core
• Assignee: SongXun
• Reporter: SongXun
• Created: 10/Jan/20 03:48
• Updated: 12/Jan/20 05:44
• Resolved: 12/Jan/20 03:52

Description

From Spark 2.0, the storage memory also uses off heap memory. We update the doc here.

Issue Links

• links to: GitHub Pull Request #27160