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2020-07-31:

Note: Text covers an earlier version.

Merge Competitions and Distributed Event Centers

Updated: 2020-07-31

Sometimes you need to divide event center into several locations (or different occasions). Maybe you want young people in one place and difficult classes in another. Or a relay that goes from point A to point B with a different finish for each changeover. It can be difficult or impossible to set up a common local network. Then you can exchange data between the different MeOS systems manually, by sending files (either via some web-based file sharing service or through running USB memory couriers)

MeOS supports importing and merging changes made to independent copies of the same competition (or even completely independent competitions, if they are based on the same set of courses). The function can be found under Merge Competitions on the page Competition.

The most common arrangement is to have a main secretariat and one or more distributed secretariats, where each can have its own local network with a number of computers. The competition is prepared as usual, and exported to a file, which is imported at each location. This is the common base version.

Now you make changes to the competition on the different systems, e.g. add new entries or read out cards. To merge the competitions, producing a common version including all changes, proceed as follows: When this is done, you can export the main secretariat&[Unknown function 039;s]competition as a file and return it to the distributed secretariat (where the import and merging takes place in the same way). It is possible to make the transfer several times during the current competition or once afterwards.
Note
It is important that the different secretariats do not make changes to the same part of the competition. There should be a strict division into which classes or legs are handled by which secretariat. It is also important that everyone who works with MeOS understands this. If two secretariats make changes in the same part of the competition, for example the same competitor, certain changes may be overwritten during the merge.
MeOS Insight
If you have more than two secretariats, either one (A) can be the main secretariat and the other: (B), (C), (D) are distributed. Then you exchange information between (A <-> B), (A <-> C), (A <-> D), but never directly between for example (B <-> C); all information from (B) to (C) goes via A.

Another possible variant for exchange is (A <-> B), (B <-> C), and (C <-> D) in a chain, whereby it is not allowed to transfer data directly between, for example (A <-> C ). In order to get over a change in D to A, it must first be transferred to C (from D) and then to B (from C) and finally to A (from B).

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