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Out of memory

Sync requires 1.1...1.8Kb (1.5Kb on average) of memory for every file and folder it manages depending on the actual path length. Sync always keeps the whole tree of files in memory for fast operations.

If there is not enough RAM on your device to keep Sync running, OS will unload some of Sync's data to a swap file, which will cause the whole device and Sync to run extremely slowly.

To avoid this situation, either extend the physical memory of your device, or remove some folders from Sync.

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