[MESOS-10095] Agent draining logging makes it hard to tell which tasks did not terminate.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.9.1, 1.10.0
• Component/s: agent, master
• Target Version/s: 1.9.1
• Epic Link: Agent Draining
• Sprint: Studio 4: RI-23 64
• Story Points: 1
• Assignee: Benjamin Mahler
• Reporter: Benjamin Mahler
• Created: 11/Feb/20 22:19
• Updated: 26/Feb/20 18:03
• Resolved: 26/Feb/20 17:47

Description

When draining an agent, it's hard to tell which tasks failed to terminate.

The master prints a count of the tasks remaining (only as VLOG(1) however), but not the IDs:

I1223 13:19:49.021764 30480 master.cpp:6367] DRAINING Agent c0146010-8af6-4a9d-bcdb-99e30a778663-S6 has 0 pending tasks, 1 tasks, and 0 operations

The agent does not print how many or which ones.

It would be helpful to at least see which tasks need to be drained when it begins, and possibly, upon each check, which ones remain.