[jira] [Created] (MESOS-3794) Master should not store arbitrarily sized data in ExecutorInfo

["Joseph Wu (JIRA)" <ji...@apache.org>]

Joseph Wu created MESOS-3794:
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             Summary: Master should not store arbitrarily sized data in ExecutorInfo
                 Key: MESOS-3794
                 URL: https://issues.apache.org/jira/browse/MESOS-3794
             Project: Mesos
          Issue Type: Bug
          Components: master
            Reporter: Joseph Wu
            Assignee: Joseph Wu
            Priority: Critical


>From a comment in [MESOS-3771]:

Master should not be storing the {{data}} fields from {{ExecutorInfo}}.  We currently [store the entire object|https://github.com/apache/mesos/blob/master/src/master/master.hpp#L262-L271], which means master would be at high risk of OOM-ing if a bunch of executors were started with big {{data}} blobs.
* Master should scrub out unneeded bloat from {{ExecutorInfo}} before storing it.
* We can use an alternate internal object, like we do for {{TaskInfo}} vs {{Task}}; see [this|https://github.com/apache/mesos/blob/master/src/messages/messages.proto#L39-L41].



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