mongodb - Mongo Working Set Fit in RAM -


mongo docs ( http://docs.mongodb.org/manual/faq/storage/) recommend allocating enough ram include "working set," i.e. documents used application on regular basis.

let's have 50 gb file size database's collection. , index takes 5 gb. need query across entire collection, query on indexes.

if perform queries use index, i.e. no basiccursor queries, necessary allocate 5 gb ram rather 50 gb, size of working set?


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