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DOCS-7737: keysInserted and keysDeleted #2751

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520f0ad
DOCS-7737: keysInserted and keysDeleted
steveren Oct 27, 2016
8383f58
fix build warning
kay-kim Oct 28, 2016
4bfae67
DOCS-7737: keysInserted and keysDeleted
steveren Oct 28, 2016
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14 changes: 8 additions & 6 deletions source/reference/database-profiler.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,8 @@ example document reflects a find operation:
"keysExamined" : 2,
"docsExamined" : 2,
"cursorExhausted" : true,
"keyUpdates" : 0,
"keysInserted" : 0,
"keysDeleted" : 0,
"writeConflicts" : 0,
"numYield" : 0,
"locks" : {
Expand Down Expand Up @@ -296,12 +297,13 @@ operation.
- Are upserts (that result in an insert)
- Do not use a modifier operation such as :update:`$set`

.. data:: system.profile.keyUpdates
.. data:: system.profile.keysInserted

The number of :doc:`index </indexes>` keys the update changed in
the operation. Changing an index key
carries a small performance cost because the database must remove the old
key and inserts a new key into the B-tree index.
The number of index keys inserted for a given write operation.

.. data:: system.profile.keysDeleted

The number of index keys deleted for a given write operation.

.. data:: system.profile.writeConflicts

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2 changes: 1 addition & 1 deletion source/release-notes/3.4-compatibility.txt
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Expand Up @@ -135,7 +135,7 @@ Stricter validation include the following:
db.collection.createIndex( { z: NaN } );
db.collection.createIndex( { x: 1, unique: true } )

- Ensuring that the specified :ref:`index options
- Ensuring that the specified :doc:`index options
</core/index-properties>` are valid. Previous versions ignored
invalid options. For example, the following operations are no longer
valid:
Expand Down