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Re: DeltaRPM works great on Fedora Core 6 (yum presto plugin)



Jesse Keating wrote:
On Wednesday 11 April 2007 13:38:15 Rahul Sundaram wrote:
You don't expose them really to any additional risks by default. If the
delta rpms are already mirrored, yum just ignores them without the
plugin. Since the plugin is already in Fedora Extras users just would
have install them explicitly to use the delta rpms.  The plugin falls
back to downloading the full rpm if the delta rpm fails or is not
available.

It is still not something I want to do to a released product, or even Fedora 7 after the feature freeze. The generation of the delta rpms, the layout, the use of the plugin, etc.. these are all codepaths that need more exposure/testing during an open development phase. I think it's great that you guys have gotten it to the point it is now, and I really look forward to seeing it get wider use once we start up Fedora 8. I just don't want to add new features/functionality into 7 and 6.



Agreed that it is too late to enable DeltaRPM by default in Fedora 7. However, the yum plugin will be available in the distro as an optional add-on.

We should begin discussion of things like:
- standardize a future directory structure and location for deltarpms within the new mirror format.
- where and how deltarpms are generated to land on the master mirror.
- Are we satisfied with the existing metadata format for deltarpm?

After we have settled on standards for all this, then we can add production deltarpm to the mirrors for Fedora 7 users to optionally use. Perhaps by Fedora 8 we can enable the plugin by default.

Warren Togami
wtogami redhat com


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