[GitHub] tysonnorris commented on issue #3559: add support for mesos attribute constraints

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tysonnorris commented on issue #3559: add support for mesos attribute constraints 
URL: https://github.com/apache/incubator-openwhisk/pull/3559#issuecomment-382596791
 
 
   You can always use the same placement constraints for black box and
   managed. I just thought someone might find it useful to corral their black
   box containers separately, unrelated to resource requirements.
   
   Currently there is no notion of actions requiring specific resources other
   than memory(I think?), which is a separate problem.
   
   Is that what you mean?
   
   On Wed, Apr 18, 2018 at 7:14 PM ddragosd <no...@github.com> wrote:
   
   > *@ddragosd* commented on this pull request.
   > ------------------------------
   >
   > In common/scala/src/main/resources/application.conf
   > <https://github.com/apache/incubator-openwhisk/pull/3559#discussion_r182618124>
   > :
   >
   > > @@ -162,5 +162,9 @@ whisk {
   >          role = "*" //see http://mesos.apache.org/documentation/latest/roles/#associating-frameworks-with-roles
   >          failover-timeout = 0 seconds  //Timeout allowed for framework to reconnect after disconnection.
   >          mesos-link-log-message = true //If true, display a link to mesos in the static log message, otherwise do not include a link to mesos.
   > +        constraints = [] //placement constraint strings to use for managed containers e.g. ["att1 LIKE v1", "att2 UNLIKE v2"]
   > +        blackbox-constraints = [] //placement constraints to use for blackbox containers
   >
   > I'm wondering whether the difference is in managed containers vs blackbox
   > containers to decide where to spin up new action containers, or if it
   > should be in some other place. I.e if I want to run containers on gpu VMs
   > vs regular VMs, regardless of them being blackbox or not, where can we
   > define this ? The reason I'm asking is b/c if the decision point should be
   > influenced by other factors, maybe we don't *have* to differentiate here
   > between blackbox vs non-blackbox containers ?
   >
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