Details
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Bug
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Resolution: Unresolved
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Major - P3
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None
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2.0.4
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ALL
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(copied to CRM)
Description
# Insert three integers
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db.test.insert({ nums: [NumberInt(1), NumberInt(2), NumberInt(3)] })
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# Check the size
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db.test.stats()
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{
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"ns" : "mydb.test",
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"count" : 1,
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"size" : 56,
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"avgObjSize" : 56,
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"storageSize" : 4096,
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"numExtents" : 1,
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"nindexes" : 1,
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"lastExtentSize" : 4096,
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"paddingFactor" : 1,
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"flags" : 1,
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"totalIndexSize" : 8176,
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"indexSizes" : {
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"_id_" : 8176
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},
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"ok" : 1
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}
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# Retrieve and save the doc back to the database
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> doc = db.test.findOne()
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> db.test.save(doc)
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# Size should be the same if array elements saved as ints.
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> db.test.stats()
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{
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"ns" : "mydb.test",
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"count" : 1,
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"size" : 116,
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"avgObjSize" : 116,
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"storageSize" : 4096,
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"numExtents" : 1,
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"nindexes" : 1,
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"lastExtentSize" : 4096,
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"paddingFactor" : 1.59,
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"flags" : 1,
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"totalIndexSize" : 8176,
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"indexSizes" : {
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"_id_" : 8176
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},
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"ok" : 1
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}
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The size increases because they are being re-saved as 64-bit floats and it increases by more than just 6 bytes because of padding factor.
Attachments
Issue Links
- is depended on by
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RUBY-430 Integers inside array are converted to float when retrieving a document previously saved with the mongo client
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- Closed
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- is duplicated by
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SERVER-41876 db.<collection>.save() cause data type mismatch
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- Closed
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- is related to
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DOCS-6886 Extended JSON docs do not match BSON spec
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- Closed
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MONGOSH-1032 NumberInt object wrapper is not displayed
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- Closed
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JAVA-832 NumberLong is not properly round tripped by the JSON serializer / deserializer
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- Closed
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