DOCS-14565 serverStatus lastOpEndingChunkImbalance

Author: ianf-mongodb

source/reference/command/serverStatus.txt

@@ -2837,7 +2837,8 @@ shardingStatistics
                   "donorState" : <num>,
                   "recipientState" : <num>,
                   "coordinatorState" : <num>,
-                  "opStatus" : <num>
+                  "opStatus" : <num>,
+                  "lastOpEndingChunkImbalance": NumberLong(<num>)
                }
             },
 
@@ -3605,6 +3606,20 @@ shardingStatistics
 
    .. versionadded:: 5.0
 
+.. serverstatus:: shardingStatistics.resharding.lastOpEndingChunkImbalance
+
+   This field contains the highest numeric difference for 
+   (``maxNumChunksInShard - minNumChunksInShard``) among all 
+   :ref:`zones <zone-sharding>` for the 
+   collection that was processed by the most recent
+   :ref:`resharding operation <resharding_process>`.
+
+   See :ref:`sharding-chunk-size`.
+
+   *Only updated on config servers.*
+
+   .. versionadded:: 5.0
+
 .. _server-status-sharded-index-consistency:
 
 shardedIndexConsistency

source/release-notes/5.1.txt

@@ -71,6 +71,16 @@ single-field non-TTL index.
 General Improvements
 --------------------
 
+``serverStatus`` Output Change
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+:dbcommand:`serverStatus` includes the following new fields in its
+output:
+
+Resharding Statistics
+  - :serverstatus:`shardingStatistics.resharding.lastOpEndingChunkImbalance`
+  
+
 New Slot-Based Query Execution Engine
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~