How often does the Site Studio project file change? The first determination that needs to be made is what all affects the project file. Some examples are as follows:

Out of the box, these changes are committed to the WebCenter Content repository (as a new revision of the project file content item) every 10 minutes. This 10 minute interval is set by the WebCenter Content configuration flag SSProjectAutoCheckinInterval (integer value in seconds which defaults to 600).

While waiting for the the time interval set with SSProjectAutoCheckinInterval, the project file changes are stored in a temp file located here: vault/~ssprojects/
The service SS_COMMIT_SITE_CHANGES can, “Be run at any time to commit changes on demand”. The only required parameter is siteId. “The user executing this service must have write access to the project file to execute the service.”

There is another configuration flag SSAutoCheckinBusyTimeout (integer value in seconds which defaults to 30) that is, “Used to set the minimum time duration (in seconds) before the auto check-in mechanism attempts a check-in of a project file. This configuration flag prevents two nodes from trying to check the project file in at the same time”. The auto check-in behavior appears to use service CHECKIN_ARCHIVE and with the default time of 10 minutes, this should handle any issues that might come up with the release date debacle.

The undocumented configuration flag SSOverwriteProjectsUponCheckin (boolean value which defaults to false) controls whether the latest project file revision is overwritten. So, out of the box, project file auto check-ins stack revisions one on top of the other, instead of simply overwriting the latest revision. This is, is in my opinion, a good thing.
 


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