[MESOS-8901] os::children in stout is unnecessarily expensive

• Type: Improvement
• Status: Accepted
• Priority: Major
• Resolution: Unresolved
• Component/s: stout
• Labels: containerizer performance
• Assignee: Unassigned
• Reporter: Jie Yu
• Created: 10/May/18 01:25
• Updated: 05/Sep/18 01:25

Description

it uses os::processes which gets all process information in the proc filesystem. Essentially, we just need pid. This call is used in the container launch path, so we should consider optimize it.

Issue Links

• links to: Potential new interface for faster process table reads.