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Is it possible to set the maximum number of concurrently running function instances when using the consumption plan. I'm aware that I can set some max numbers in the host.json - but that is for a single function instance. So even when I set 

{
  "queues": {
    "batchSize": 1,    
    "newBatchThreshold": 1
  }
}

It just starts to scale out to multiple instances. This would be perfect if the my backend could handle the load, but in my case it can't so I would like function app to have a max number of parallelism set, e.g. max 5 instances.

sjkp
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1 Answers1

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This is not possible at present, though feel free to file an issue on github.

See this post for other discussion on concurrency, your only option from a functions perspective is to switch to dedicated.

Community
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Matt Mason
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