504 Gateway Timeout RRS feed

  • Question

  • Team,

    This is the application flow, during the peak traffic time we are getting loads of 504 gateway timeout error at Client end.

    Client->API Gateway->AWS GSLB->AWS Instances with WCF Service (IIS 8.5, .Net 4.5)->Web Server

    Tried debugging the AWS instances and see there are lots of request hanging in the Worker Process, tried to recycle them and it again queues them.

    CPU and Memory remains less than 30% all the time.

    Updated the below settings and no luck....

    1. DefaultConnectionLimit = 200

    2. <serviceThrottling maxConcurrentCalls="32" maxConcurrentSessions="200" maxConcurrentInstances="232"/>

    Each AWS Instance has 2 CPU and 8 GB RAM.

    Appreciate all your help !!!


    Monday, November 11, 2019 2:29 PM

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