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Upgrading a site |
While it is possible to make configuration changes to a live site, it is good practice to make changes to a separate copy of the site, and then apply those configuration changes in a single step to the live site. The overall process is:
Once the development site has reached a stage where the changes are ready to go live, the "Live" site needs to Upgraded.
The Upgrade process will then:
Depending on the complexity of the site and the amount of data this process may take some time. While the upgrade is in progress the site will be offline.
Notes: The Upgrade process preserves the Page surface contents from of the Development site, and does not retain any changes made to page surfaces on the Live site. To preserve data from teh Live site the data must be stored in Tables, (and then use a queries to embed the table data on surfaces). The same Development site can be used to Upgrade multiple different Live sites. If the live site was in a Stopped state before upgrading, the new site will also be left in a Stopped state. While the upgrade is in progress and the site is offline, it may be desirable to redirect the users to a placeholder site. If the placeholder is on the same server this can be done simply by binding the placeholder site to the domain name(s) instead of the live site. If teh placeholder is on another server then the DNS will also need to be changed to point to the other server.
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