THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- Number of containers is a static configuration in yarn deployment model and a job restart is required to change the number of containers. However, an addition/deletion of a processor to a processors group in standalone is quite common and an expected behavior.
- A stream processor is assigned a physical host by ContainerAllocator after the JobModel generation phase in yarn. Physical host in which a stream processor is going to run is known before the JobModel generation phase in standalone(ContainerAllocator phase is not needed in standalone to associate a the processor with the physical host).
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