So, you just got your XO to do some testing of Fedora on OLPC. You update the software that was on there, get a developer key, wait a day, and then get all ready to boot your Fedora image off of the SD card ….
And it boots. But it's slow. Very very slow. Some slowness is to be expected… this isn't a fast machine. But it should probably be a little bit speedier than it is. So want to try out a few experiments to try to help pin down the cause of the slowness? Then read on, pick a case and leave comments about your results.
- Try using a persistent overlay instead of the in-memory one. Add –overlay-size-mb to your livecd-iso-to-disk invocation. Amount should be relative to the size of your SD card.
- See if/how much having swap available helps. You can create a file on the SD card with dd, run mkswap against the file and then enable it on the XO. The best test for this would probably be to boot the XO single-user and run swapon from there and then do telinit 5.
- Try disabling some services from the live image. Again boot to single-user, chkconfig some services and then telinit 5
- … your idea here. Hopefully other people have some ideas of things to try as well. Try them out and let us know how it goes.
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