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To Improve Performance

If your model is large or transactions have been frequent, update often. Periodically, check in your model to reduce the size of files and reduce fragmentation in storage.

Failure to check in periodically can eventually result in a fatal error when you try to check in a model. The error occurs when the IEF1200.DAT file exceeds its maximum record count. The accompanying message is:

Memory error: No more record structures available.

You can also improve performance by lessening contention. Do this by checking in changes on a regular, daily basis. You can designate times for check-ins, check-outs, and other maintenance. See the concurrence matrix for encyclopedia operations that can and cannot run concurrently.