1. #1
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    Question CPU overload - tree.root.expandAllChildren(true) kills CPU - IE only

    CPU overload - tree.root.expandAllChildren(true) kills CPU - IE only


    Using Ext 2.0.2

    I have a static tree that is loaded with json on page load. The tree is large, but not crazy huge - it has about 1,000 nodes total, the deepest ones being about 3 levels deep.

    I've made an "Expand All" link on my page that simply calls
    Code:
    myTree.root.expandAllChildren(true)
    In Firefox, Chrome, and Opera the expansion is noticeably slow (maybe 2-3 sec), but tolerable.

    But in IE6 and IE7 the expansion will never complete. In fact, taking a look at task manager shows that IE is taking up 50%+ CPU and chewing up memory. It does this until IE stops responding and needs to be killed. I assume it is ending up in a infinite loop somehow.

    Anyone else experience this? I've tried other method of expanding it but don't see many other options in the API. A recursive cascade() seems just as slow and is probably what exandAllChildren() does internally anyway.

    Any support would be appreciated. Thanks.

  2. #2
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    Please retry with Ext 2.2.1 - no point in chasing something that may have been fixed multiple releases back.

  3. #3
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    Quote Originally Posted by tryanDLS View Post
    Please retry with Ext 2.2.1 - no point in chasing something that may have been fixed multiple releases back.
    I have installed 2.2.1 and am experiencing the exact same symptoms.

  4. #4
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    Anyone?

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