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Type:
Bug
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Resolution: Duplicate
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Priority:
Major - P3
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None
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Affects Version/s: 3.4.6
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Component/s: Aggregation Framework
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None
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ALL
I have a collection with about 75.000 docs
Indexes:
ad.guid_1
unitUuid_1
This query takes about 1-2 milliseconds and gives 1 hit:
db.getCollection('xxx').aggregate([
{ $match: { "ad.guid": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" } }
])
This query takes about 180 milliseconds and gives 1 hit:
db.getCollection('xxx').aggregate([
{ $match: { "ad.guid": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" } },
{ $sort: { "unitUuid": 1 } }
])
Why is it so slow with $sort?
- duplicates
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SERVER-7568 Aggregation framework favors non-blocking sorts
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- Closed
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