Alexey Goncharuk created IGNITE-9720:
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             Summary: Initialize partition free lists lazily
                 Key: IGNITE-9720
                 URL: https://issues.apache.org/jira/browse/IGNITE-9720
             Project: Ignite
          Issue Type: Task
            Reporter: Alexey Goncharuk


When persistence is enabled, partition free lists metadata may take quite a lot 
of pages.
This results in a very long start time because 
{{GridCacheOffheapManager.GridCacheDataStore#init0}} will read all metadata for 
free list in each partition on exchange start (this is done in the 
{{CacheFreeListImpl}} constructor)
We should only read required information on exchange and defer actual free list 
initialization to the first access.



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