Date: Sun, 13 Oct 2002 15:03:23 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Terry Lambert <tlambert2@mindspring.com> Cc: Giorgos Keramidas <keramida@ceid.upatras.gr>, current@FreeBSD.ORG Subject: Re: HEADS UP: Old port recompiles needed (Re: Unknown symbol "__sF") Message-ID: <200210132203.g9DM3NGc057218@apollo.backplane.com> References: <20021013194319.7A31D2A88D@canning.wemm.org> <3DA9D95D.C1319A72@mindspring.com> <20021013205915.GK10829@hades.hell.gr> <3DA9EA62.D337E8A0@mindspring.com>
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:> On 2002-10-13 13:36, Terry Lambert <tlambert2@mindspring.com> wrote:
:> > I had upgraded the machine with a snapshot from the Japan snapshot
:> > image server; apparently, no one ever thinks of compressiong ISO's,
:> > so that was at the limit of what I could download. 8-(.
:> >
:> > It may be a good idea to put this flag in by default, at least until
:> > 5.0-RELEASE, so that it will be there on the snapshots.
:>
:> That's a commonly asked question, and a very good answer is in the FAQ :P
:> There are good reasons why the overworked snapshot servers do not
:> attempt to compress the ISO images, which btw contain mostly .tgz files.
:
:Alternately, instead of believing someone's opinion, we could ask
:the data in question:
:
:% ls -l
:248643584 Sep 17 00:03 5.0-CURRENT-20020917-JPSNAP.iso
:212988130 Oct 13 10:39 5.0-CURRENT-20020917-JPSNAP.iso.gz
:
:Compression gets rid of about 36MB.
:
:That's 3.4 hours saved on a 28.8K modem download time, overall...
:a 14% reduction in size.
Well, ok, but on a percentage basis you don't get much out of it.
If someone is downloading via a modem they're probably doing it
overnight anyway.
bzip2 does even worse then gz in this instance, so no magic
there either.
-rw-r--r-- 1 dillon wheel 179985801 Oct 13 15:00 bzip2.bz2 (bzip2 -9)
-rw-r--r-- 1 dillon wheel 178963831 Oct 13 14:56 gzip9.gz (gzip -9)
-rw-r--r-- 1 dillon wheel 187006976 Jun 8 00:04 miniinst-RC4-8Jun2002.iso
-Matt
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