[jira] [Created] (MESOS-7137) Custom executors cannot use any reserved resources.

["Anand Mazumdar (JIRA)" <ji...@apache.org>]

Anand Mazumdar created MESOS-7137:
-------------------------------------

             Summary: Custom executors cannot use any reserved resources.
                 Key: MESOS-7137
                 URL: https://issues.apache.org/jira/browse/MESOS-7137
             Project: Mesos
          Issue Type: Bug
            Reporter: Anand Mazumdar
            Assignee: Anand Mazumdar
            Priority: Blocker


A custom executor or the built-in default executor cannot launch a task if they use reserved resources as part of {{ExecutorInfo}}. This mostly happens due to the fact that we don't unallocate the {{Resource}} when comparing it with the checkpointed resources on the agent:

{code}
  Resources checkpointedExecutorResources =
    Resources(executorInfo.resources()).filter(needCheckpointing);
{code}

The fix can be as simple as changing this to:
{code}
  Resources checkpointedExecutorResources =
    unallocated(executorInfo.resources()).filter(needCheckpointing);
{code}



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