Indexing whole collection? What?

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Indexing whole collection? What?

Janusz Dalecki


I have indexed my Asset collection using command like this:

# Create river for Asset collection

http://localhost:9200/_river/asset_river/_meta -d '{

 "type": "mongodb",

   "mongodb": {

     "db": "my_database",

     "collection": "Asset"


   "index": {

     "name": "asset_index",

     "type": "Asset"



I think that indexes all columns of every document in the whole collection. Does it make sense to index the whole collection – because if I understand well this will create as many indexes as columns in the entire collections and it might be pretty slow to retrieve the data?



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