DOCSP-47795 change batchsize descriptions

source/reference/command/find.txt

@@ -132,9 +132,16 @@ The command accepts the following fields:
 
    * - ``batchSize``
      - non-negative integer
-     - Optional. The number of documents to return in the first batch.
-       Defaults to 101. A batchSize of 0 means that the cursor will be
-       established, but no documents will be returned in the first batch.
+     - Optional. The maximum number of documents within each batch returned
+       in a query result. By default, the ``find`` command has an initial 
+       batch size of ``101`` documents and a maximum size of 16 mebibytes (MiB)
+       for each subsequent batch. This option can enforce a smaller limit than
+       16 MiB, but not a larger one. If you set ``batchSize`` to a limit that
+       results in batches larger than 16 MiB, this option has no effect and
+       the ``find`` command uses the default batch size.
+`
+       A ``batchSize`` of ``0`` means that the cursor is established, 
+       but no documents are returned in the first batch.
 
        Unlike the previous wire protocol version, a batchSize of 1 for
        the :dbcommand:`find` command does not close the cursor.

source/reference/command/getMore.txt

@@ -72,11 +72,15 @@ The command accepts the following fields:
 
    * - ``batchSize``
      - positive integer
-     - Optional. The number of documents to return in the batch.
-
-       If ``batchSize`` is not set, ``getMore`` returns up to 16
-       mebibytes of data. If ``batchSize`` is set, ``getMore`` returns
-       the smaller of 16 mebibytes of data or ``batchSize`` documents.
+     - Optional. Specifies the maximum number of documents within each 
+       batch returned in a query result.
+
+       If ``batchSize`` is not set, ``getMore`` returns up to ``101`` documents
+       in the first batch and up to 16 mebibytes (MiB) of data in all 
+       subsequent batches. If ``batchSize`` is set, ``getMore`` returns 
+       the smaller of 16 MiB of data or ``batchSize`` documents. If you set 
+       ``batchSize`` to a limit that results in batches larger than 16 MiB, this
+       option has no effect and ``getMore`` uses the default batch size.
 
    * - ``maxTimeMS``
      - non-negative integer

source/reference/method/cursor.batchSize.txt

@@ -19,12 +19,16 @@ Definition
 
    .. include:: /includes/fact-mongosh-shell-method.rst
 
-   Specifies the
-   number of documents to return in each batch of the response from the
-   MongoDB instance. In most cases, modifying the batch size will
-   not affect the user or the application, as :binary:`~bin.mongosh` and
-   most :driver:`drivers </>` return results as if MongoDB returned a
-   single batch.
+   Specifies the maximum number of documents within each batch returned in 
+   a query result. By default, the initial batch size is ``101`` documents
+   and subsequent batches have a maximum size of 16 mebibytes (MiB). This
+   option can enforce a smaller limit than 16 MiB, but not a larger one. If 
+   you set ``batchSize`` to a limit that results in batches larger than 16 
+   MiB, this option has no effect and :method:`~cursor.batchSize()` uses 
+   the default batch size.
+
+   A ``batchSize`` of ``0`` means that the cursor is established, but no documents 
+   are returned in the first batch. 
 
    .. note::
 
@@ -51,9 +55,10 @@ Definition
 
       * - ``size``
         - integer
-        - The initial number of documents to return for a batch. The
-          default initial batch size is 101 documents. Subsequent
-          batches are 16 mebibytes. The default applies to drivers and
+        - The maximum number of documents to return for a batch. The
+          default initial batch size is ``101`` documents and subsequent
+          batches have a maximum size of 16 mebibytes (MiB). This option can enforce a smaller limit than
+          16 MiB, but not a larger one. The default applies to drivers and
           Mongo Shell. For details, see :ref:`cursor-batches`.
 
 Compatibility

source/reference/method/db.collection.watch.txt

@@ -115,13 +115,17 @@ Definition
       * - ``batchSize``
 
         - int
-        - Optional. Specifies the maximum number of change events to return in each
-          batch of the response from the MongoDB cluster. 
+        - Optional. The maximum number of documents within each batch returned
+          in a change stream. By default, :method:`~db.collection.watch()` has 
+          an initial batch size of ``101`` documents and a maximum size 
+          of 16 mebibytes (MiB) for each subsequent batch. This option can 
+          enforce a smaller limit than 16 MiB, but not a larger one. If you set ``batchSize`` to a limit that results in batches larger than 16 MiB, 
+          this option has no effect and :method:`~db.collection.watch()` uses 
+          the default batch size.
 
           Has the same functionality as :method:`cursor.batchSize()`.
 
 
-
       * - ``maxAwaitTimeMS``
 
         - int

source/reference/operator/aggregation/queryStats.txt

@@ -354,9 +354,12 @@ Each document in the output array contains the following fields:
    * - ``key.batchSize``
      - String
      - Normalized
-     - The :ref:`batch size <cursor-batchSize>` for the key. Batch size
-       specifies the number of documents to return in each batch of the
-       response from the MongoDB instance.
+     - The :ref:`batch size <cursor-batchSize>` for the key. Batch size 
+       specifies the maximum number of documents returned within each batch
+       from the MongoDB instance. By default, the initial batch size is 
+       ``101`` documents and subsequent batches have a maximum size of 16 
+       mebibytes (MiB). ``batchSize`` can enforce a smaller limit than 16 MiB, 
+       but not a larger one. 
 
    * - ``key.comment``
      - String