-
Type: Improvement
-
Resolution: Unresolved
-
Priority: Major - P3
-
None
-
Affects Version/s: 3.2.0-rc2
-
Component/s: Aggregation Framework
-
Query Optimization
The $lookup stage currently does one query per input document, which can introduce a significant amount of overhead if there are few results. Instead, the $lookup stage should batch up a couple documents and query for their results all at once.
- is duplicated by
-
SERVER-64021 Lookup stage poor performance
- Closed
- is related to
-
SERVER-49461 Slow performance when doing lookup in small sets
- Closed
- related to
-
SERVER-21284 $lookup should cache query results
- Backlog