DeltaRPM works great on Fedora Core 6 (yum presto plugin)
Vikram Goyal
vikigoyal at gmail.com
Thu Apr 12 14:06:16 UTC 2007
On Wed, Apr 11, 2007 at 12:05:43PM -0400, Jesse Keating wrote:
> On Wednesday 11 April 2007 11:55:13 Rahul Sundaram wrote:
> > There are obviously some fixes that are required at the client level:
> > yum presto plugin. However we can encourage the mirrors to presto enable
> > all the repositories right away.
>
> Well, we don't ask the mirrors to generate things, we generate things at the
> source and the mirrors just pick it up. If the mirrors have to do something
> themselves, we've lost.
>
> > Since the client is in extras users can choose to install it for FC5,
> > FC6 and rawhide (this one is esp interesting right now) and we should
> > look at installing the plugin by default in F8.
>
> I really don't want to add this midstream to a released product. The right
> process here is to get it working in rawhide during the open development
> cycle, start producing the content for it at the source, have it mirrored out
> and get more and more people beating on it during rawhide. If it survives
> and makes it into the released product as a default, that's awesome, from
> that point on we use it. Trying to start at a released product and port
> forward just seems backwards to me, and not something I want to expose all of
> our "stable" Fedora 6 users to.
>
It is great no doubt and I have been using it for a few days now.
Updating is no more that big a drain on the bandwidth.
Here an excerpt:
--------------------------------------------------------------------------
release 100% |=========================| 951 B 00:00
Loading mirror speeds from cached hostfile
Setting up Presto
extras 100% |=========================| 383 B 00:00
updates 100% |=========================| 383 B 00:00
Reading Presto metadata in from local files
presto.xml.gz 100% |=========================| 54 kB 00:02
Reading repository metadata in from local files
primary.xml.gz 100% |=========================| 1.6 MB 01:18
extras : ################################################## 5139/5139
<snip>
Size of all updates downloaded from Presto-enabled repositories: 156K
Size of updates that would have been downloaded if Presto wasn't enabled: 7.3M
This is a savings of 98 percent
Installed: tomcat4-servlet-2.3-api.noarch 0:4.1.31-7jpp
Updated: blobwars.i386 0:1.06-1.fc6 gaim-encryption.i386 0:3.0-0.2.beta8.fc6
Replaced: servletapi4.noarch 0:4.0.4-4jpp
Complete!
[root at fc6host ~]#
--------------------------------------------------------------------------
Is it possible to produce delta primary.xml files just as delta rpms?
The situation has changed now to xml files being bigger downloads than
the packages themselves.
Regards!
--
vikram...
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