[AURORA-928] Executor overhead cannot be dropped to zero

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.7.0
• Component/s: Scheduler
• Sprint: Twitter Aurora Q4 Sprint 4
• Assignee: Zameer Manji
• Reporter: Maxim Khutornenko
• Created: 13/Nov/14 22:50
• Updated: 26/Jan/15 22:58
• Resolved: 22/Nov/14 01:03

Description

When executor overhead is set to zero (AURORA-830), Mesos fails resource validation[1]:

'Executor for task <task_id> uses invalid resources cpus(*):0'

This could actually be a Mesos rather than Aurora problem as executor CPU is expected to be positive [2].

[1] - https://git-wip-us.apache.org/repos/asf?p=mesos.git;a=blob;f=src/common/resources.cpp#l678
[2] - https://git-wip-us.apache.org/repos/asf?p=mesos.git;a=blob;f=src/master/master.cpp#l1966