[Libreoffice-bugs] [Bug 41232] New: Very poor startup performance on old machines

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41232

           Summary: Very poor startup performance on old machines
           Product: LibreOffice
           Version: LibO 3.4.3 release
          Platform: x86 (IA32)
        OS/Version: Windows (All)
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: Libreoffice
        AssignedTo: libreoffice-bugs at lists.freedesktop.org
        ReportedBy: peter.schmidt at bixa.cc


I have installed LO 3.4.3 on some very old PCs (P3, 500 MHz, 512 MB RAM)
running Windows XP.
When starting up, it takes about 1:20 minutes for the application to start.
Once LO is up and running, it runs quite well. Even opening new documents via
the quickstarter only takes seconds but is not an option (see Bug No. 41229
about that). We also tried to improve startup by disabling the JRE but this
only brought us some 5 seconds (btw. Oracle JRE6_27 is installed).

The system is very optimized so there are no unnecessary jobs running in the
back. System memory is almost free after windows startup. Almost no hard disc
activity can be seen while starting LO, but the job runs at 99% CPU. Only in
the last 10 seconds you can hear the HDD work heavily but this might be because
some binaries are loaded late. This makes me think that this is _not_ a problem
of low memory and swapping (and even if the HDD activity was because of
swapping, this would only explain the last 10-20 seconds of the slow startup).
There must be some way to improve the startup procedure, maybe by offering an
alternative setup that does not load so many extensions/tool/translations or
similar additions.

We only have these very old PCs because this is a ground school with no almost
no budget for the pupils PCs. Also, I think many educational projects in
developing or third world countries have a similar problem (very old hardware)
and deserve a bearable fast launching office solution.

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