Re: [gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-18 Thread Michał Górny
Dnia 2014-01-18, o godz. 02:28:52 "Thomas D." napisał(a): > Hi, > > Michał Górny wrote: > > Now, does anyone have an old portage-YYZZ.tar.{bz2,xz} snapshot? I > > need the official one from our mirrors, preferably 3-4 months old. > >

Re: [gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-18 Thread Michał Górny
Dnia 2014-01-18, o godz. 10:08:13 hero...@gentoo.org napisał(a): > Michał Górny writes: > > > However, it may be actually beneficial to provide other durations, like > > weekly deltas. In my tests, the daily updates for this week summed up > > to almost 50M while the weekly was barely 20M. > >

Re: [gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-17 Thread heroxbd
Alex Xu writes: > This doesn't really help. Consider that deltas require both a *start* > and *end*. It's not as simple as adding it all up, since you would need > a 19-3d, then 3-1d, then 1-0d. In this case, 19-18d, 18-16d, 16-0d, instead. The largest delta is always used for the most recent. T

Re: [gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-17 Thread Alex Xu
On 17/01/14 08:08 PM, hero...@gentoo.org wrote: > Michał Górny writes: > >> However, it may be actually beneficial to provide other durations, like >> weekly deltas. In my tests, the daily updates for this week summed up >> to almost 50M while the weekly was barely 20M. > > Is there a way to mer

Re: [gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-17 Thread Thomas D.
Hi, Michał Górny wrote: > Now, does anyone have an old portage-YYZZ.tar.{bz2,xz} snapshot? I > need the official one from our mirrors, preferably 3-4 months old.

Re: [gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-17 Thread heroxbd
Michał Górny writes: > However, it may be actually beneficial to provide other durations, like > weekly deltas. In my tests, the daily updates for this week summed up > to almost 50M while the weekly was barely 20M. Is there a way to merge the deltas without the original squashfs? how fast is th

Re: [gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-17 Thread Michał Górny
Dnia 2014-01-17, o godz. 23:31:32 Duncan <1i5t5.dun...@cox.net> napisał(a): > Michał Górny posted on Fri, 17 Jan 2014 20:30:00 +0100 as excerpted: > > > Dnia 2014-01-17, o godz. 19:19:14 Duncan <1i5t5.dun...@cox.net> > > napisał(a): > > > >> Michał Górny posted on Fri, 17 Jan 2014 17:27:30 +0100

[gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-17 Thread Duncan
Michał Górny posted on Fri, 17 Jan 2014 20:30:00 +0100 as excerpted: > Dnia 2014-01-17, o godz. 19:19:14 Duncan <1i5t5.dun...@cox.net> > napisał(a): > >> Michał Górny posted on Fri, 17 Jan 2014 17:27:30 +0100 as excerpted: >> >> > 96Mportage-20140108.sqfs >> > For deltas [...] >> > >>

Re: [gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-17 Thread Michał Górny
Dnia 2014-01-17, o godz. 19:19:14 Duncan <1i5t5.dun...@cox.net> napisał(a): > Michał Górny posted on Fri, 17 Jan 2014 17:27:30 +0100 as excerpted: > > > Now some numbers. I did some tests 'converting' late gx86 daily tarballs > > to squashfs. I've used squashfs 4.2 with LZO compression since it's

[gentoo-dev] Re: RFC: Hosting daily gx86 squashfs images and deltas

2014-01-17 Thread Duncan
Michał Górny posted on Fri, 17 Jan 2014 17:27:30 +0100 as excerpted: > Now some numbers. I did some tests 'converting' late gx86 daily tarballs > to squashfs. I've used squashfs 4.2 with LZO compression since it's > quite good and very fast. > > 96M portage-20140108.sqfs [...] > 97M portage-2