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Thread: check box tree performance issue

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  1. #1
    Sencha User
    Join Date
    Oct 2011

    Default check box tree performance issue

    create a check box tree (tri state) with
    ~10K leafs, (currently i have 40K nodes and it's almost unusable keep getting the "wait" window from browser when i select a folder )
    4-5 levels of depth
    ~20 elements per level evenly distributed (till we have 10K leafs)

    - expand the tree 1 level and maybe from second level just one node
    - select the top most node.
    at this moment the web page will freeze and it will stay like this for a good amount of time (~2-5 min) till the node is being selected/checked.

    google chrome (Version 52.0.2743.116 m (64-bit))
    but it happens in other browsers as well
    windows 10 x64
    cpu I5-2500
    8 GB of ram

    this are the options witch i have enabled on the tree:
    myTree.setPixelSize(300, 600);
    beside those i also have the tree store

    this bug was theer in 3.x GA and is present also in the new GXT 4 GA

  2. #2
    Sencha User
    Join Date
    Oct 2011


    any idea here ?

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