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  1. Mongoid
  2. MONGOID-4591

Error: Unsupported client option 'max_pool_size:

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    • Type: Icon: Bug Bug
    • Resolution: Works as Designed
    • Priority: Icon: Major - P3 Major - P3
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    • Affects Version/s: 5.1.2
    • Component/s: None
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    • Environment:
      Heroku cedar-14
      MongoDB 3.2.10 hosted on Compose
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      • We are using a valid option to control maximum pool size as per the docs mentioned here: 
        staging:
  clients:
    default:
      uri: <%= ENV['MONGOHQ_URL'] %>
      options:
        # Our compose plan supports 10000 connections in total.
        # 5000x2.
        # See: https://help.compose.com/docs/connection-limits
        # Default mongoid setting is 5.
        # See: https://tinyurl.com/y8rutpsx
        max_pool_size:: 10
      • But everytime we start a new dyno (server process) and first query is fired to the db, we get this 
        MONGODB | Unsupported client option 'max_pool_size:'. It will be ignored.
      • I checked mongo docs and it is supported too. Is there something we are doing wrong?

            Assignee:
            sam.rossi@mongodb.com Samuel Rossi (Inactive)
            Reporter:
            avellable Mahesh
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              Created:
              Updated:
              Resolved:
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