[jira] [Created] (MESOS-3549) Log docker commands

["Ian Babrou (JIRA)" <ji...@apache.org>]

Ian Babrou created MESOS-3549:
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             Summary: Log docker commands
                 Key: MESOS-3549
                 URL: https://issues.apache.org/jira/browse/MESOS-3549
             Project: Mesos
          Issue Type: Bug
          Components: docker, slave
            Reporter: Ian Babrou


Command executor logs command it is about to run to stdout, this is really handy if things break:

{noformat}
Registered executor on 36com33.in.cfops.it
Starting task sleepy.7c95443e-6697-11e5-9c9e-2c600c83f269
sh -c 'echo $PORT && sleep 3600'
Forked command at 1887
8921
{noformat}

Docker executor doesn't do anything like this. In fact, I often find myself looking at ps, strace or any other similar tool output to see what command was actually used to run the container. Seeing this in sandbox can save me and possibly other people time figuring out what is wrong with their tasks.



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