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@@ -550,6 +550,12 @@ Here are a few things to note when evaluating and using Bolt: However, this is expected and the OS will release memory as needed. Bolt can handle databases much larger than the available physical RAM. +* Because of the way pages are laid out on disk, Bolt cannot truncate data files + and return free pages back to the disk. Instead, Bolt maintains a free list + of unused pages within its data file. These free pages can be reused by later + transactions. This works well for many use cases as databases generally tend + to grow. However, it's important to note that deleting large chunks of data + will not allow you to reclaim that space on disk. ## Other Projects Using Bolt |