maemo.org - Talk - View Single Post - N900 generally slow and unresponsive

	pycage	2010-02-23 , 08:04
	Posts: 3,404 \| Thanked: 4,474 times \| Joined on Oct 2005 @ Germany	#62

Originally Posted by jabawok

I found it quite amazing that the device is already 50MB into swap when initially powered up. Having owned an N800 and N810 (which had 128MB real memory, and were able to run swapless) I found this very surprising. I wonder what has blown the memory usage out so far for it to need swap with absolutely no apps running.

Swap used after powering up is caching. Linux swap doesn't work like Windows swap which is only used when memory gets full. Using swap for cache can help increase responsiveness. The sluggishness begins when some memory pages of active applications get swapped out. But when this happens you know that you wouldn't have got that far without swap space.

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Last edited by pycage; 2010-02-23 at 08:13.

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