Writing the cache to disk (index pages, records and deletion markers) was optimized with 4th Dimension 2003, yielding significant performance improvements. The gain in performance is especially noticeable under Mac OS with slow disks or when the amount of data is high.

In this technical note we will cover the following:
- Description of the cache
- Contents of the cache
- Optimization of the writing to the cache in 4D 2003
- Setting the cache memory in 4D 2003

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