On Mon, Jun 09, 2008 at 06:16:11PM +0300, Eero Tamminen wrote: > ext Mike Wright wrote: > > Ok - received many suggestions now - thanks for them. > > > > Lets see what I have got then. > > > > 1) Memory cards > > Yep - got those! 4G internal, 2G eternal - both FAT32 on no-name cards. > > Internal has or rather HAD) 128M swap file on it. I can remove them later > > and try that. > > I would recommend against using swap except in situations where you > really need it and just not keep many applications open at the same > (number depends on what applications, browser content alone can easily > eat all memory if you visit sites with lots of Flash and Javascript). > > Swap can make the device sluggish also. In my experience, when the tablet runs out of memory and you have no swap, you're completely out of luck. CPU at 100%, kernel is paging in and out executable pages all the times, user interface is nonresponsive. You'll end up pulling the battery in a few minutes, if the watchdog doesn't reboot the tablet for you. When the tablet runs out of memory and you have swap, things slow down a bit (noticeably), but the user interface remains responsive, and you get a chance to close some of the apps you currently have, then continue working normally. (But if you ignore the warning sign and use up all the memory and all the swap, you'll end up in the same thrashing hell.) I haven't done any scientific double-blind experiments, so take the above with a grain of salt. My previous experiences with desktop Linux may have contaminated my observations too, because that's where I first noticed this: running out of RAM is often nonrecoverable (or just plain too slow for me to tolerate) unless you have a lifeboat in the form of a swap partition. Marius Gedminas -- Science is to computer science as hydrodynamics is to plumbing.
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