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Thread: Pentaho DI (out of memory)

  1. #1
    Join Date
    Aug 2017

    Default Pentaho DI (out of memory)


    I have a question about spoon (running on windows).

    Currently, i am using Pentaho DI version

    i have issue about out of memory (java heap space), when i googling it, it say just edit
    if "%PENTAHO_DI_JAVA_OPTIONS%"=="" set PENTAHO_DI_JAVA_OPTIONS="-Xms1024m" "-Xmx1024" -XX:MaxPermSize=256m"

    but when i change -Xmx1024 to -Xmx2048m/-Xmx2g OR -Xms1024 -Xms2048m/-Xms2g to spoon.bat never response, and never open the pentaho DI.

    how can i solved this problem

    Best Regards
    Last edited by wantexd; 01-01-2018 at 10:34 PM.

  2. #2
    Join Date
    Jun 2012


    Always treat the cause and not the symptom.

    Is the default heap space (1024m) allocated at all?
    What's the free memory available to the Java VM at start?

    Even if you have plenty of memory available, there's a chance that you will exhaust your heap space regardless.

    How many input rows are processed?
    What's the typical row size?
    Did you adjust the default number (10,000) of rows in a rowset?
    So long, and thanks for all the fish.

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