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Andrey Smirnov
0f4bbc4752
See #761 aptly had a concept of loading small amount of info per each object into memory once collection is accessed for the first time. This might have simplified some operations, but it doesn't scale well with huge aptly databases. This is just intermediate step towards better memory management - list of objects is not loaded unless some method is called. `ForEach` method (mainly used in cleanup) is reimplemented to iterate over database without ever loading all the objects into memory. Memory was even worse with previous approach, as for each item usually `LoadComplete()` is called, which pulls even more data into memory and item stays in memory till the end of the iteration as it is referenced from `collection.list`. For the subsequent PR: reimplement `ByUUID()` and probably other methods to avoid loading all the items into memory, at least for all the collecitons except for published repos. When published repository is being loaded, it might pull source local repo which in turn would trigger loading for all the local repos which is not acceptable.