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From David Morrison <drm...@yelp.com>
Subject Questions about Pods and the Mesos Containerizer
Date Wed, 24 Jan 2018 22:21:22 GMT
Hi Mesos community!

We’re in the process of designing a Mesos framework to launch multiple
containers together on the same host and are considering a couple of
approaches. The first is to use pods (with the TASK_GROUP primitive), and
the second is write a custom executor that launches nested containers and
use CNI to handle networking.

With that in mind, we had the following questions:

Questions about pods/task_groups:

   -

   Is it possible to do healthchecks per task in a pod?
   -

   Is it possible to allocate a separate IP address per container in a pod?
   -

   Is there any plan to support the Docker containeriser with pods?


Questions about UCR/Mesos containerizer:

   -

   Timeframe for debugging tools (equivalent of docker exec, etc)?
   -

   Is there any performance data about using the Mesos containeriser with
   container images versus using the Docker containeriser?
   -

      how does the Mesos containerizer handle extremely large images?
      -

      how does the Mesos containerizer handle dozens/hundreds of concurrent
      pulls?


If anyone has had any experience using the UCR and/or pods with the sort of
workflow we’re considering, your input would be highly useful!

Cheers,

David Morrison

Software Engineer @ Yelp

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