[MESOS-9279] Docker Containerizer 'usage' call might be expensive if mount table is big.

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.4.2, 1.5.1, 1.6.1, 1.7.0
• Fix Version/s: 1.4.3, 1.5.2, 1.6.2, 1.7.1, 1.8.0
• Component/s: containerization, docker
• Labels: performance
• Target Version/s: 1.5.2, 1.6.2, 1.7.1
• Assignee: Jie Yu
• Reporter: Jie Yu
• Created: 28/Sep/18 23:08
• Updated: 12/Oct/18 20:24
• Resolved: 12/Oct/18 20:24

Description

We observed in some testing environment that Docker Containerizer 'usage' call can become very expensive if the host mount table is big.

Perf analysis shows that most of the time was spent on reading the mount table. This is similar to the problem we saw in MESOS-8418.

Issue Links

• is related to: MESOS-9283 Docker containerizer actor can get backlogged with large number of containers.
• relates to: MESOS-9268 Hitting agent's `/containers` endpoint might backlog Docker containerizer process.