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How to remove orphaned documents in a cluster (sharding) in mongodb version 3.0.10?

+1 vote

Does anyone know how I remove orphaned documents in a cluster (sharding) in mongodb version 3.0.10, My actual data are 20 million orphans and documents the value amounts to 21 million data

posted Apr 5, 2016 by anonymous

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+3 votes

Here I would like to explain my query a bit more.

I inserted multiple documents within a collection. Few documents have same set of keys and few of them have some extra key:value pairs . For example:
document 1 : key1 : "key1"
document 2: key1 : "key1", key2: "key2"
document 3: key1 : "key1", key2: "key2", key3 : "key3"
document 4: key1 : "key1", key3 : "key3"

Now I want to delete the documents which have key1 and key2.
What will be the command to do so ?

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