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Long Running Dashboard Blows Up In Chrome

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  • D Offline
    dklinkman
    last edited by 26 Apr 2018, 22:50

    I mostly use Chrome. My dashboard is the default with a few widgets added. A few sensor values, and temp and humidity graphs. After a while (or even in just 5 minutes sometimes) the page blows up with an "oh snap" error. I was able to capture a memory profile over one minute on the page, and saved it to a file. I don't know how to use it but maybe it will be helpful. My impression is that there's a memory leak. But I don't know how to tell if it's Chrome, the page, or something else.
    0_1524782923786_dashboard.jpg

    The memory profile is over 200MB so can't upload it here. But if you think it would help you can get it from this shared link memory profile snapshot

    Chrome: Version 65.0.3325.181 (Official Build) (64-bit)
    MyController: mycontroller-dist-standalone-1.3.0-SNAPSHOT-single.jar
    MyController running on Ubuntu 14.04LTS (I think)
    Java: VM version 1.8.0_161-b12
    Chrome runs on Windows 7 Professional 64bit

    Very repeatable. Just need to keep the dashboard open. Same thing happens when I keep the page open on my work computer.

    Thanks!!!!! --D

    J 1 Reply Last reply 27 Apr 2018, 01:30 Reply Quote 0
    • J Offline
      jkandasa @dklinkman
      last edited by 27 Apr 2018, 01:30

      @dklinkman similar issue: https://github.com/mycontroller-org/mycontroller/issues/393
      I will try to find the root cause. Thanks for reporting this.

      D 1 Reply Last reply 27 Apr 2018, 03:09 Reply Quote 0
      • D Offline
        dklinkman @jkandasa
        last edited by 27 Apr 2018, 03:09

        @jkandasa Thanks for the cross-reference. Glad it isn't just me.

        So far I only see this on the dashboard. I've had other pages open in a tab for days with no issue that I noticed. But my PC has 16GB ram too. So maybe just more headroom. I will try to observe other pages that update, like under Resources, and monitor memory. I will let you know if I see anything interesting.

        If I can do any other specific diagnostics please let me know. Happy to do it.

        Thanks for looking!!!! --D

        J 1 Reply Last reply 27 Apr 2018, 13:43 Reply Quote 1
        • J Offline
          jkandasa @dklinkman
          last edited by 27 Apr 2018, 13:43

          @dklinkman

          If I can do any other specific diagnostics please let me know. Happy to do it.

          Sure, thank you for your help!

          1 Reply Last reply Reply Quote 0
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