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Disable mongoid's identity map during importing#884
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dzhlobo wants to merge 1 commit intokarmi:masterfrom
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Disable mongoid's identity map during importing#884dzhlobo wants to merge 1 commit intokarmi:masterfrom
dzhlobo wants to merge 1 commit intokarmi:masterfrom
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Iterating over all documents in collection with enabled identity map will fill memory until task will be killed by OS. From mongoid doc: "When a document is now loaded from the database, it is automatically added to the identity map by its class and id. Subsequent request for that document by its id will not hit the database, but rather pull the document back from the identity map itself". See http://mongoid.org/en/mongoid/docs/identity_map.html for additional information about identity map.
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Iterating over all documents in collection with enabled identity map will fill memory until task will be killed by OS.
From mongoid doc: "When a document is now loaded from the database, it is automatically added to the identity map by its class and id. Subsequent request for that document by its id will not hit the database, but rather pull the document back from the identity map itself".
See http://mongoid.org/en/mongoid/docs/identity_map.html for additional information about identity map.