The name of the target collection.
Average object size in bytes.
This field will be “true” if the collection is capped.
The number of objects or documents in this collection.
A document that reports data from the WiredTiger storage engine for each index in the collection. Other storage engines will return an empty document.
Size of specific indexes in bytes.
Size of the most recently created extent in bytes.
Shows the maximum size of a capped collection.
Number of indexes.
Number of extents (contiguously allocated chunks of datafile space).
Padding can speed up updates if documents grow.
Collection size in bytes.
(Pre)allocated space for the collection in bytes.
Total index size in bytes.
A number that indicates the user-set flags on the collection. userFlags only appears when using the mmapv1 storage engine.
This document contains data reported directly by the WiredTiger engine and other data for internal diagnostic use.
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