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Query Targeting¶
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Description¶
Query Targeting
alerts indicate inefficient query or queries.
Query Targeting: Scanned / Returned
occurs if the
number of index keys examined to fulfill a query relative to the actual
number of returned documents meets or is above a certain threshold.
Query Targeting: Scanned Objects / Returned
occurs if the
number of documents examined to fulfill a query relative to the actual
number of returned documents meets or is above a certain threshold.
Common Triggers¶
- No index that supports a given query or queries.
- Existing index can only partially support a query or queries.
Possible Solution¶
Consider adding one more more indexes to better serve these queries. Refer to: