OpenSimulator: Multiple instances and monitoring

From single-instance to multiple-instance

After the last project we had — during which I don’t do any updates or upgrades or tweaks, or the content creators will flog me to an inch of my life 🙂 — I decided I should step up from OpenSimulator 0.7.2 to 0.7.3.1, the (current) stable branch. It brings a few improvements regarding meshes — and some configuration changes.

Upgrading OpenSim to a new version is always a small nightmare. You have to remember that the vast majority of OpenSim developers don’t actually use it in a production environment — they just back up some sample sims of different sizes, delete everything, and start from scratch, and then retrieve their backups. When on a production environment, this is not feasible: beyond prims, there is also user data, profiles, groups, and inventory to save. So this means that you’ll have to keep your database running and just upgrade it. Fortunately, since the very beginning of time, OpenSim checks the database and adds any extra features that are required to get it going. Sometimes this can be dramatic — I remember the switch to 0.6.7 to 0.7! — but usually it’s just a few extra columns on some tables, which get updated automatically.

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