[FLINK-10582] Make REST executor thread priority configurable

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.7.0
• Fix Version/s: 1.5.5, 1.6.2, 1.7.0
• Component/s: Runtime / REST, Runtime / Task
• Labels: pull-request-available
• Assignee: Till Rohrmann
• Reporter: Till Rohrmann
• Created: 17/Oct/18 12:50
• Updated: 17/Oct/18 14:48
• Resolved: 17/Oct/18 14:48

Description

With FLINK-10282, we introduced a dedicated thread pool for the REST server endpoint. The thread priority was set to Thread.MIN_PRIORITY. This, however, might affect existing users by making some of the REST calls no longer responsive (e.g. if the other components' threads take all the time). Therefore, I propose to set the default thread priority to Thread.NORM_PRIORITY and make it additionally configurable such that users can change it.

Issue Links

• links to: GitHub Pull Request #6868