This behavior is the result of the data being read from multiple
datacenters, some very far away from each other.

When you make a change, you communicate with servers running in one
datacenter, then it lets the others know to update to the new content. In
the meantime, when you go to project.googlecode.com/svn/... it's reading
from any one of our servers in any of the datacenters, which may not have
the updates yet. As you've seen, it may take some time for the update to
propagate.

The reason the source browser (code.google.com/p/project/source/browse)
updates immediately is because its traffic is served from servers in only
one datacenter, so there's no delay in replicating the data change to other
locations.

- Jason


On Thu, Aug 23, 2012 at 9:45 AM, Dávid Karnok <[email protected]> wrote:

> I use the following file in my project's SVN as a notification method for
> new versions:
>
> https://open-ig.googlecode.com/svn/trunk/open-ig/update.xml
>
> However, since a week or so, this file shows the previous revision for
> about 10-30 minutes before appearing as new, whereas the browse view shows
> the head revision correctly:
>
> https://code.google.com/p/open-ig/source/browse/trunk/open-ig/update.xml
>
> I tried to get the up-to-date version after clearing browser caches,
> independent browser never visited the site before and using
> cache-control:no cache and random parameter when accessing the file
> programmatically.
>
> What is going on?
>
> Best regards,
> David
>
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