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Type: Bug
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Resolution: Done
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Priority: Major - P3
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None
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Affects Version/s: 2.6.0-rc0
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Component/s: Geo
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None
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ALL
Here are the indexes:
db.usa.getIndexes(); [ { "v" : 1, "key" : { "_id" : 1 }, "ns" : "zcta.usa", "name" : "_id_" }, { "v" : 1, "key" : { "coords" : "2dsphere" }, "ns" : "zcta.usa", "name" : "coords_2dsphere" } ]
Mongo 2.4 explain
db.usa.find( {"coords":{"$geoIntersects":{"$geometry":{"type":"Point","coordinates":[-73.909472,40.876547]}}}}, {"city":1} ).explain(); { "cursor" : "S2Cursor", "isMultiKey" : true, "n" : 1, "nscannedObjects" : 1, "nscanned" : 55, "nscannedObjectsAllPlans" : 1, "nscannedAllPlans" : 55, "scanAndOrder" : false, "indexOnly" : false, "nYields" : 0, "nChunkSkips" : 0, "millis" : 34, "indexBounds" : { }, "nscanned" : 55, "matchTested" : NumberLong(9), "geoTested" : NumberLong(9), "cellsInCover" : NumberLong(1), "server" : "" }
Mongo 2.6 explain:
db.usa.find( {"coords":{"$geoIntersects":{"$geometry":{"type":"Point","coordinates":[-73.909472,40.876547]}}}}, {"city":1} ).explain(); { "cursor" : "BtreeCursor coords_2dsphere", "isMultiKey" : true, "n" : 1, "nscannedObjects" : 9, "nscanned" : 58, "nscannedObjectsAllPlans" : 63, "nscannedAllPlans" : 112, "scanAndOrder" : false, "indexOnly" : false, "nYields" : 31, "nChunkSkips" : 0, "millis" : 4118, "indexBounds" : { "coords" : [ [ "4f1032011", "4f1032011" ], [ "4f10320113", "4f10320113" ], [ "4f103201132", "4f103201132" ], [ "4f1032011321", "4f1032011321" ], [ "4f10320113213", "4f10320113214" ] ] }, "server" : "", "filterSet" : false }
2 second difference.