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  1. #1
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    Exclamation Possible memory leak with GridPanel and Store

    Possible memory leak with GridPanel and Store


    Ext version tested:
    • Ext 3.0.3
    • Ext 3.3.2
    • Ext 3.4.0
    Adapter used:
    • ext
    css used:
    • only default ext-all.css
    Browser versions tested against:
    • IE8
    • IE9
    • FF4.0.1
    • FF6.0.1
    • Chrome 10
    • Chrome 12
    Operating System:
    • Win 7 x64
    • WinXP Pro
    Description:
    • There is a definite memory increase when using GridPanel with a store. Every time the store is reloaded and grid is rendered, the browser consumes more memory and it does not seem to free it. Best example is IE, which can consume over 1GB and crash within 30 minutes using the attached code.
    Test Case:
    Working code is attached. Unzip it into ext/examples

    Steps to reproduce the problem:
    • Open Click on Autorefresh button
    • Observe memory consumption using e.g. sieve or Sysinternals Process Explorer
    The result that was expected:
    • Stable memory footprint
    The result that occurs instead:
    • Browser starts consuming memory until it crashes
    Debugging already done:
    • none
    Possible fix:
    • not provided
    Attached Files

  2. #2
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    Default Status?

    Status?


    I'm seeing this with EXT JS 4.0.7 as well.. basically calling store.load() refreshes the Grid, and the memory keeps being used (up to 1GB before the browser dies): IE + Firefox 5

  3. #3
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    Sencha Devs, have you gotten anywhere with this one? I suspect there may actually be two issues, one with record id's and another with reader. And yes, it's still present in Ext JS 4.x.

  4. #4
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    Default solution?

    solution?


    No replies yet, but I did find out that if I stopped doing the "load", the memory eventually did go down a bit. The bad news means that it might just be a standard javascript/browser/os interaction problem!

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  6. #6
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    We are facing the same issue. It would be great to have any answer from ExtJS team.

  7. #7
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    Has anyone tried to apply suggestions from post #13?

  8. #8
    Sencha Premium Member Oliver Timm's Avatar
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    The suggestions from post #13 aren´t relevant for me because I have an xml store and all rows have an id. The problem of high increasing memory still exists.