Conditional backend requests on repository branch experimental-ims

[Geoff Simmons]

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Hello all,

The code for the proposed conditional backend request feature (usually
If-Modified-Since requests to backends) is now up to date with the
current trunk and available on an experimental branch of the source
repository called experimental-ims.

On an updated git working tree you can say:

$ git branch -a

... and you should see something like 'remotes/origin/experimental-ims'
in the list. Then to work with the branch:

$ git checkout -b experimental-ims remotes/origin/experimental-ims

To switch back to the master branch:

$ git checkout master

The feature is documented here:

http://www.varnish-cache.org/trac/wiki/BackendConditionalRequests

Please note that this code is experimental, and will not be included in
the upcoming 3.0.0 release. The way that this works has not been changed
from the previous versions distributed as patches, but will likely be
changed in future versions.

Testing the mainline 3.0 version is the highest priority for the Varnish
team right now, so feedback on that is most important. If you also get a
chance to test the IMS feature, it will be a great help toward getting
an "official" version settled, so let us know how it goes.


Best,
Geoff
- -- 
UPLEX Systemoptimierung
Schwanenwik 24
22087 Hamburg
http://uplex.de/
Mob: +49-176-63690917
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