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Task
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Resolution: Fixed
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Normal
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Brown Dog - April 1 Sprint, Brown Dog - April/May, Brown Dog - 2017 May 2, Brown Dog - 2017 June Sprint 1
Given the length of the rabbitmq queues we should scale the number of replicas of a service in the swarm. This could be in pseudo code:
sizing = 100
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jitter = 20
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foreach queue in rabbitmq:
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get messagecount from rabbitmq
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find service in docker swarm
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if messagecount > (service.replicas * sizing + jitter):
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# scale up
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services.replicas = messagecount / sizing
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elif messagecount < (service.replicas * sizing - jitter):
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# scale down
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service.replicas = messagecount / sizing
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Pull request; https://opensource.ncsa.illinois.edu/bitbucket/projects/BD/repos/bd-swarm/pull-requests/2/overview
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