On 01/08/2012 02:43 PM, Chow Loong Jin wrote: > On 08/01/2012 01:48, Rainer Dorsch wrote: > >> Hello, >> >> I recently setup zram (for compressed swap space in RAM) on an older low RAM >> >> machine. I was quite happy with the result and started now to do the same >> setup also on my other machines. I am wondering if anybody is investigating, >> if debian should do that by default when installing a new machine or even >> better also when machines get upgraded. >> [...] >> > In my experience from using a zram + on-disk swap setup, performance is only > good until the zram swap gets filled up. Then performance goes to hell because > you'll be functioning primarily on your on-disk swap while your zram swap just > acts as deadweight sitting around taking up memory. What I usually did at that > point was to swapoff the zram swap to force everything into the on-disk swap, > rmmod, and re-create the zram swap again to get free zram swap space. > > I don't think it's a good idea to make this default. > I and my ex-employee had similar experience. I also wouldn't recommend it.
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