Could you please give your suggestion for my questions (based on SSD) ? On 05-Feb-2016 11:59 AM, "Jos Collin" <joscol...@gmail.com> wrote:
> I have 120GB HDD with 3.8GB swap at the moment. I have monitored the swap > usage for sometime, running frequently used applications and then > hibernate. It uses around 175MB even after hibernation. My new SSD is 120GB > and I'm having 4GB RAM now. So as per the discussion with you, I'm planning > to have a swap space of 5 - 6 GB (considering the worst case). I have the > following questions: > > 1. Will the use of swap file instead of a swap partition affect > performance ? I feel that if it was a swap file, I can change the size of > it anytime I want and it is easier. > 2. Allocating swap in an SSD is a bad idea ? Some people says it affects > the life of the SSD. Please see the following urls. > > http://askubuntu.com/questions/652337/why-no-swap-partitions-on-ssd-drives > http://www.makeuseof.com/tag/optimize-linux-ssds/ > > Please suggest. > > Thanks. > > On 02/05/2016 11:27 AM, Leslie S Satenstein wrote: > > What percentage of your hard disk size is that if the swap partition? > 8gigs of a 300gig drive? or 8 gigs of a 1 terrabyte drive? Playing with > swap sizes will not make your system faster. The oonsideration for a swap > file regarding performance is a) place it next to / partition, and make > sure it is contigious on the disk. This is hard to do if it is allocated > after system updates. > A dedicated swap partition guarantees that the space allocated is > contigious. > > Is it time to move to more important topics. > > Regards > > > * Leslie * > *Mr. Leslie Satenstein* > *Montréal Québec, Canada* > > > > ------------------------------ > *From:* Jos Collin <joscol...@gmail.com> <joscol...@gmail.com> > *To:* f...@bluewin.ch; debian-laptop@lists.debian.org > *Sent:* Thursday, February 4, 2016 11:35 AM > *Subject:* Re: Swap > > I think that's a good idea. I will create a swap file instead of a swap > partition, so that I can monitor and change it easily at a later point of > time. In that case, I will partition my SSD as a single 120GB ext4, which > is having a 5gb swap file. > On 04-Feb-2016 9:50 PM, "f...@bluewin.ch" <f...@bluewin.ch> wrote: > > Hi, > > swap space is crucial if you suspend or hibernate your system. If you want > to be able to do that, your swap should be at least the same size of your > RAM. That said, the old rule "RAM size x 2" had sense some time ago, with > much smaller sizes than nowadays. Nowaday it's not really needed. In your > case, if you want to be able to suspend and hibernate you need at least > 4GB, but 8GB wouldn't make much sense. I'd go with 5 GB, or 6 if you work > with software that requires an awful lot of RAM. > > For more infos, see also https://wiki.debian.org/Swap > > FG > > ---- Messaggio originale ---- > Da : joscol...@gmail.com > Data : 04/02/2016 - 16:42 (CET) > A : debian-laptop@lists.debian.org > Oggetto : Swap > > Hello, > How much swap space does 4GB ram ideally requires ? I have been using the > rule "RAM size x 2" for calculating the size of swap. But as the RAM sizes > are bigger nowadays, is this a wrong calculation ? I mean, is it okay if I > use 1 GB of swap space (or lesser) for a 4gb RAM ? > (I use to suspend my system everyday by pressing alt+shutdown menu in > gnome 3) > Please suggest. > Thanks, > Jos Collin > > > > > > > >
