[SPARK-39003] make AppHistoryServerPlugin public api for developer

• Type: Wish
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.3.0, 2.4.0, 3.1.0
• Component/s: Spark Core
• Assignee: Unassigned
• Reporter: gabrywu
• Created: 23/Apr/22 09:43
• Updated: 23/Apr/22 09:43

Description

For history server, there is an interface called AppHistoryServerPlugin, which is loaded based on SPI. However it is accessible for spark package, so, can we change it as a public interface? With that, developer can extend application history.