Joseph Wu created MESOS-4087:
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             Summary: Introduce a module for logging executor/task output
                 Key: MESOS-4087
                 URL: https://issues.apache.org/jira/browse/MESOS-4087
             Project: Mesos
          Issue Type: Task
          Components: containerization, modules
            Reporter: Joseph Wu
            Assignee: Joseph Wu


Existing executor/task logs are logged to files in their sandbox directory, 
with some nuances based on which containerizer is used (see background section 
in linked document).

A logger for executor/task logs has the following requirements:
* The logger is given a command to run and must handle the stdout/stderr of the 
command.
* The handling of stdout/stderr must be resilient across agent failover.  
Logging should not stop if the agent fails.
* Logs should be readable, presumably via the web UI, or via some other 
module-specific UI.



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