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  1. #1
    Registered User
    Join Date
    May 2011
    Posts
    13

    Question Howto install big SIS files

    Hi,

    i developed an app with QtSdk 1.2.1 for Symbian-Anna. The SIS file has a size of 82MB and contains 6500 files. When tried to install it ask for the destination and i choose Mass Memory (13GB free). After some seconds an error message is shown.

    Unable to install. Not enough memory.

    Can anybody tell me what the real problem is and how it can be solved?

    Thanks
    T.

  2. #2
    Registered User
    Join Date
    Jul 2008
    Posts
    90

    Re: Howto install big SIS files

    As far as I know, the installer loads the whole SIS file into RAM and there is the bottleneck and the problem -- free disk space doens't affect the issue.

  3. #3
    Super Contributor
    Join Date
    Mar 2003
    Location
    Finland
    Posts
    9,569

    Re: Howto install big SIS files

    Haven't checked things lately, but in the past (a few years ago), the installation also first, when installing a SIS file from the memory card, copied the SIS file to a system folder in phone memory (C-drive) before the actual installation happened (after which the SIS file from this temporary location was deleted).

    I recall this behaviour caused problems on devices like the N81 and N81 8GB where after boot, from the factory, the C-drive had only about 17MB of free space (and considerably less after installing apps that, e.g., required Open C/P.I.P.S. libraries that always installed in phone memory), even if you targeted the installation to the memory card or mass memory.

  4. #4
    Regular Contributor
    Join Date
    Nov 2009
    Posts
    200

    Re: Howto install big SIS files

    Lots of small files also allocate more space on FAT file systems than their actual size. File operations are also very slow and even if you sis worked it could take something like one hour to install.

    I would find a way to package smaller files to larger data packages. There may even be some nice API somewhere to do it.

  5. #5
    Registered User
    Join Date
    May 2011
    Posts
    13

    Re: Howto install big SIS files

    Hi,

    thanks for your answers. Installation is solved. I packed all files into one big file. After that installation worked in less one minute.
    It seems that to much files were the problem.

    Best regards
    T.

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