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IEP-43 introduces persistent caches snapshots feature. This feature highly adopted by Ignite users.
But Ignite snapshot supports persistent caches only.

Cache dumps is essentially a file that contains all entries of cache group on the time of dump creation.
Meta information of dumped caches and binary binarymeta included in dump, also. 
Dump is consistent, which means all entries that existed in cluster at the moment of dump creation will lands into dump file.

Ignite must provide dump restore feature. This process will create cache group and caches from saved config and put all save entries in it. This will essentially restore cache state to the moment of dump creation. 

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