ServerConnected is later than ServerBeginResponse!!!

2 posts, 0 answers
  1. Mohammadvali
    Mohammadvali avatar
    1 posts
    Member since:
    Dec 2017

    Posted 15 Dec 2017 Link to this post

    I did a load test performance for an application, and sends many requests to the server through different concurrent users. Some requests failed and returned 504. However, I'm wondering about the time factors, and don't understand the followings:

    A) There is an elapsed time about 1 minute between ClientDoneRequest and ServerConnected. I try to understand why I experience this 1 minute gap, what indicates, and how to interpret it/

    1) ClientDoneRequest:13:06:11.336

    2) ServerConnected:13:07:11.241


    B) The other question is that the serverConnected is later than ServerBeginResponse! How is it possible?

    1) ServerConnected:13:07:11.241

    2) ServerBeginResponse:13:07:11.134

    I copied the entire timing below:


    NOTE: This request was retried after a Receive operation failed.

    Determine Gateway:0ms
    DNS Lookup: 0ms
    TCP/IP Connect:0ms
    HTTPS Handshake:52ms

    Overall Elapsed:0:02:08.846

  2. Alexander
    Alexander avatar
    383 posts

    Posted 03 Jan 2018 Link to this post


    Please, excuse us for the delay in our answer.

    A) ClientDoneRequest is the timestamp at which Fiddler completed reading the request from the client. ServerConnected is the timestamp at which connection to the server was established. Knowing those lead us to the conclusion that Fiddler needed a whole minute to connect to the server (maybe due to the many requests coming at it at the same time) after receiving the request from the client.

    B) It seems that this is bug in Fiddler. An item on our backlog will be added for this one. Thank you for reporting it.

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