ECS container instance logs

Each ECS container instance includes log files that can help troubleshoot your instance.

The primary logs you will work with include the following:

• Docker Engine logs: Located at /var/log/docker
• ECS Agent logs: Located at /var/log/ecs

Note that there are two types of ECS agent logs:

• Init logs: Located at /var/log/ecs/ecs-init.log, these logs provide output related to the ecs-init service, which is an Upstart service that ensures the ECS agent is running on container instance startup.
• Agent logs: Located at /var/log/ecs/ecs-agent.log.*, these logs provide output related to ECS agent operation. These logs are the most common logs you will inspect for any ECS agent related issues.