[MESOS-8928] Improve the isolator/module logs.

• Type: Improvement
• Status: Resolved
• Priority: Critical
• Resolution: Won't Do
• Component/s: containerization
• Labels: containerizer
• Epic Link: Unified Container
• Assignee: Unassigned
• Reporter: Gilbert Song
• Created: 16/May/18 23:53
• Updated: 20/Feb/19 22:58
• Resolved: 20/Feb/19 22:58

Description

Currently, if a container launch stuck at isolator prepare, operators will not know which isolator is blocking the launch. We should improve the isolator logging for debugging purpose.