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Thread: Memory Leak issue in IE browsers for Extjs4.2x

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  1. #1
    Sencha User
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    Oct 2010
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    Bangalore
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    Default Memory Leak issue in IE browsers for Extjs4.2x

    Hi,

    I Build an application using ExtJs 4.2.1. it manipulates huge amount of data and have too many components in it.When ever I refresh the browser the memory keep increasing and crashes the browser after few operations.
    There is a lag in any operation and response time for any event keeps increasing after every refresh.

    Can any one provide me a solution for this problem.
    TIA
    -Kiran

  2. #2
    Sencha User
    Join Date
    Feb 2013
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    California
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    11,985

    Default

    Thanks for the report. Are you able to recreate this issue in a test case?
    https://fiddle.sencha.com/#home

    With which version of IE are you seeing this?

  3. #3
    Sencha User
    Join Date
    Oct 2010
    Location
    Bangalore
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    52

    Default

    Thanks for yourresponse,

    this issue is reproducible with ExtJS example.
    http://docs.sencha.com/extjs/4.2.2/e...h-classes.html

    Browser version: IE11.
    We saw that this issue is addressed in Extjs 6 version can you please provide a solution for ExtJs 4.2.2.

    Task Manager IE Profile for the examples
    Number of browser refresh EXTJS 6 EXTJS5 EXTJS 4.2.2
    1 79MB 74MB 60MB
    5 85MB 145MB 115MB
    10 79MB 242MB 190MB
    15 80MB 335MB 270MB

    provide solution....

    TIA
    -Kiran

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