DOCS-13372: Add statistics metrics.repl.network.oplogGetMoresProcessed

Author: jwilliams-mongo

source/includes/extracts-server-status-projection-base.yaml

@@ -54,6 +54,12 @@ content: |
 
     - Added new sync source metrics in :serverstatus:`metrics.repl`:
 
+      - :serverstatus:`metrics.repl.network.oplogGetMoresProcessed`
+
+      - :serverstatus:`metrics.repl.network.oplogGetMoresProcessed.num`
+
+      - :serverstatus:`metrics.repl.network.oplogGetMoresProcessed.totalMillis`
+
       - :serverstatus:`metrics.repl.network.replSetUpdatePosition.num`
 
       - :serverstatus:`metrics.repl.syncSource.numSelections`

source/reference/command/serverStatus.txt

@@ -1791,10 +1791,10 @@ opcounters
 
 .. serverstatus:: opcounters.getmore
 
-   The total number of "getmore" operations since the :binary:`~bin.mongod`
-   instance last started. This counter can be high even if the query
-   count is low. Secondary nodes send ``getMore`` operations as part of
-   the replication process.
+   The total number of :dbcommand:`getMore` operations since the
+   :binary:`~bin.mongod` instance last started. This counter can be high
+   even if the query count is low. Secondary nodes send
+   :dbcommand:`getMore` operations as part of the replication process.
 
    .. include:: /includes/extracts/4.2-changes-opcounters-type.rst
 
@@ -1876,10 +1876,10 @@ opcountersRepl
 
 .. serverstatus:: opcountersRepl.getmore
 
-   The total number of "getmore" operations since the :binary:`~bin.mongod`
-   instance last started. This counter can be high even if the query
-   count is low. Secondary nodes send ``getMore`` operations as part of
-   the replication process.
+   The total number of :dbcommand:`getMore` operations since the
+   :binary:`~bin.mongod` instance last started. This counter can be high
+   even if the query count is low. Secondary nodes send
+   :dbcommand:`getMore` operations as part of the replication process.
 
    .. include:: /includes/extracts/4.2-changes-opcountersRepl-type.rst
 
@@ -3963,6 +3963,10 @@ metrics
             },
             "notMasterLegacyUnacknowledgedWrites" : <NumberLong>,
             "notMasterUnacknowledgedWrites" : <NumberLong>,
+            "oplogGetMoresProcessed" : {
+               "num" : <NumberLong>,
+               "totalMillis" : <NumberLong>
+            },
             "ops" : <NumberLong>,
             "readersCreated" : <NumberLong>,
             "replSetUpdatePosition" : {
@@ -4328,6 +4332,29 @@ metrics
 
    .. versionadded:: 4.2
 
+.. serverstatus:: metrics.repl.network.oplogGetMoresProcessed
+
+   A document that reports the number of :dbcommand:`getMore`
+   commands to fetch the :term:`oplog` that a node processed as a sync
+   source.
+
+   .. versionadded:: 4.4
+
+.. serverstatus:: metrics.repl.network.oplogGetMoresProcessed.num
+
+   The number of :dbcommand:`getMore` commands to fetch the
+   :term:`oplog` that a node processed as a sync source.
+
+   .. versionadded:: 4.4
+
+.. serverstatus:: metrics.repl.network.oplogGetMoresProcessed.totalMillis
+
+   The time, in milliseconds, that a node spent processing the
+   :dbcommand:`getMore` commands counted in
+   :serverstatus:`metrics.repl.network.oplogGetMoresProcessed.num`. 
+
+   .. versionadded:: 4.4
+
 .. serverstatus:: metrics.repl.network.ops
 
    The total

source/release-notes/4.4.txt

@@ -1489,6 +1489,9 @@ output:
          * - |
              | :serverstatus:`metrics.repl.network.replSetUpdatePosition.num`
              | :serverstatus:`metrics.repl.network.getmores.numEmptyBatches`
+             | :serverstatus:`metrics.repl.network.oplogGetMoresProcessed`
+             | :serverstatus:`metrics.repl.network.oplogGetMoresProcessed.num`
+             | :serverstatus:`metrics.repl.network.oplogGetMoresProcessed.totalMillis`
              | :serverstatus:`metrics.repl.syncSource.numSelections`
              | :serverstatus:`metrics.repl.syncSource.numTimesChoseSame`
              | :serverstatus:`metrics.repl.syncSource.numTimesChoseDifferent`