Joris Van Remoortere created MESOS-3475:
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             Summary: TestContainerizer should not modify global environment 
variables
                 Key: MESOS-3475
                 URL: https://issues.apache.org/jira/browse/MESOS-3475
             Project: Mesos
          Issue Type: Bug
            Reporter: Joris Van Remoortere


Currently the `TestContainerizer` modifies the environment variables. Since 
these are global variables, this can cause other threads reading these 
variables to get inconsistent results, or even segfault if they happen to read 
while the environment is being changed.
Synchronizing within the TestContainerizer is not sufficient. We should pass 
the environment variables into a fork, or set them on the command line of an 
execute.



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