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Thread: Possible memory leak with GridPanel and Store

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  1. #21
    Oliver Timm
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    The suggestions from post #13 arent relevant for me because I have an xml store and all rows have an id. The problem of high increasing memory still exists.

  2. #22
    Sencha User
    Join Date
    Jan 2014
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    I have the same problem with a memory leak in a REST store in both v4 and v5.

    I create a v5 app using sencha cmd, added a REST store and a dynamic task in which I load/reload the store every 1 second, nothing else going on, just the load, but in less than a day both FF and chrome will crash because of the memory leak.

    It looked like a problem with the data.proxy.Rest reader, but it was to difficult to work out exactly what was leaking. In the end I decided to bypass the data.proxy.Rest reader and write my own simple XMLHttpRequest handler, manually loading the response into the store.

    This solved the leak in the store but now I have a chart linked to another store that is updating every 4 seconds and the chart seems to be leaking memory as well.

    Does everything in EXT leak? Any attempt at writing a serious SPA that's intended to run continually seems doomed to fail.

  3. #23
    Sencha User dongryphon's Avatar
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    Jul 2009
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    Kansas
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    1,748

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    @grdrew -

    Can you post a fiddle (https://fiddle.sencha.com) for me to look at?
    Don Griffin

    "Use the source, Luke!"

  4. #24
    Ext JS Premium Member
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    Apr 2008
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    Quote Originally Posted by dongryphon View Post
    @grdrew -

    Can you post a fiddle (https://fiddle.sencha.com) for me to look at?
    Over 2 years ago you said you'd try to reproduce this leak problem in v3 and report back, and never did so. Now that someone mentions v5 you show some interest??

    Pardon me for thinking that the "support" for v3 is purely words and no action. I'd love to be shown that I'm wrong...

  5. #25
    Sencha User
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    Quote Originally Posted by dongryphon View Post
    @grdrew -

    Can you post a fiddle (https://fiddle.sencha.com) for me to look at?
    I can't really post a fiddle, I have a closed intranet setup, with a dedicated datasnap web server processing the requests, so I couldn't post a fiddle that would emulate the problem I was seeing. I did add a post to the v5 Q&A forum which has my code in it and a full description of the problem I was seeing,

    http://www.sencha.com/forum/showthre...xtjs-v4-and-v5

    I really did nothing more than create the app with sencha cmd, add a REST store and a dynamic task running every second which did a store load, then ran the app on a pc other than the one the web server was running on, and after only a day of this FF would have crashed. It seems such a fundamental problem that I pretty sure it must be something to do with my code or setup, otherwise other people would see it.

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