Nitin created MESOS-3059:
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Summary: Allow http endpoint to dynamically change the slave
attributes
Key: MESOS-3059
URL: https://issues.apache.org/jira/browse/MESOS-3059
Project: Mesos
Issue Type: Wish
Reporter: Nitin
This is well understood that - changing the attributes dynamically is not safe
without a restart because slave itself may not know which old framework tasks
are running on it that were dependent on previous attributes.
However, total restart makes lot of other history to delete. We need to ensure
a dynamic attribute changes with a soft restart.
It will be good to expose a rest endpoint either at slave or mesos-master which
directly changes the state in zookeeper.
USE-CASE
We use slave attributes/roles to direct the framework scheduling to use
specific slave as per it's requirements. Mesos scheduler only creates the offer
on the basis of some resources.
In our use case, we have some categorization of our spark frameworks or jobs
with framework(like marathon) based on multiple factors. We want job or
frameworks belonging to one category be running into their specific cluster of
resources. We want to dynamically manage the slaves into these logical
sub-clusters.
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