On Monday, 31 July 2023 17:01:21 BST Laurence Perkins wrote: > >-----Original Message----- > >From: Neil Bothwick <n...@digimed.co.uk> > >Sent: Saturday, July 29, 2023 5:43 AM > >To: gentoo-user@lists.gentoo.org > >Subject: Re: [gentoo-user] Simple installation on BTRFS > > > >On Sat, 29 Jul 2023 10:47:53 +0100, Michael wrote: > >> I doubt I will need anything so frequent, these days my data does not > >> change often enough. Daily snapshots should do the trick and I could > >> keep more of them. > > > >Snapshots don't take up any space if the data does not change, so frequent > >snapshots don't hurt. The biggest impact on snapshot sizes on a Gentoo > >system is kernel source package updates. > For informational purposes, I once fat-fingered my cron job that takes > hourly snapshots of my workspace during work hours and was taking minutely > snapshots instead. > > I didn't notice any adverse effects until I had well over 60,000 snapshots. > > The main adverse effect at that point was that doing anything with snapshots > started to get... sluggish. > > The second adverse effect was that listing the content of the snapshots > directory took several minutes, and I had to write a script to delete them > because it was too big for my kernel's process command line length limit. > (I also found out how to raise that limit if anyone wants to know, but > decided it wasn't worth the effort.) > > It all cleaned up fine in a few hours though. > > LMP
You'd probably choose NILFS2 if you wanted that many snapshots! I haven't setup snapshots yet. I'm waiting for Neil to send me something, while I am occupied endlessly configuring the kernel from scratch ;-).
signature.asc
Description: This is a digitally signed message part.
