DOCS-16581 server status replication waiters (#5875)

* DOCS-16581-serverStatus-replication-waiters

* DOCS-16581: Moving to metrics.repl section and adding example code for waiters.

* DOCS-16581: Adding taxonomy facet tags.

* Update source/reference/command/serverStatus.txt

Co-authored-by: ianf-mongodb <[email protected]>

* Update source/reference/command/serverStatus.txt

Co-authored-by: ianf-mongodb <[email protected]>

* DOCS-16581-serverStatus-replication-waiters

* DOCS-16581: Moving to metrics.repl section and adding example code for waiters.

* DOCS-16581: Adding taxonomy facet tags.

* DOCS-16581: Expanding on optime desc, adding header to 7.3 release notes.

* DOCS-16581: Clarifying opTime description.

* DOCS-16581: Fixing spacing issue.

---------

Co-authored-by: ianf-mongodb <[email protected]>

Author: mmaville-mdb

source/reference/command/serverStatus.txt

@@ -4,6 +4,14 @@ serverStatus
 
 .. default-domain:: mongodb
 
+.. facet::
+   :name: programming_language
+   :values: shell
+
+.. facet::
+   :name: genre
+   :values: reference
+
 .. contents:: On this page
    :local:
    :backlinks: none
@@ -1756,6 +1764,10 @@ metrics
             numTimesChoseSame : Long("<num>"),
             numTimesChoseDifferent : Long("<num>"),
             numTimesCouldNotFind : Long("<num>")
+         },
+         waiters : {
+            opTime : Long("<num>"),
+            replication : Long("<num>")
          }
       },
       storage : {
@@ -2613,6 +2625,19 @@ metrics
 
    .. versionadded:: 4.4
 
+.. serverstatus:: metrics.repl.waiters.replication
+
+   The number of threads waiting for replicated or journaled :ref:`write concern
+   acknowledgements <wc-ack-behavior>`.
+
+   .. versionadded:: 7.3
+
+.. serverstatus:: metrics.repl.waiters.opTime
+
+   The number of threads queued for local replication :term:`optime` assignments.
+
+   .. versionadded:: 7.3
+
 .. serverstatus:: metrics.storage.freelist.search.bucketExhausted
 
    The number of times that :binary:`~bin.mongod` has examined the free

source/release-notes/7.3.txt

@@ -31,3 +31,12 @@ megabytes, that must be recoverable for compaction to proceed.
    /release-notes/7.3-compatibility
 
 
+``serverStatus`` Metrics
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+Starting in MongoDB 7.3, the :dbcommand:`serverStatus` command output 
+includes the following new metrics:
+
+- :serverstatus:`metrics.repl.waiters.replication`
+- :serverstatus:`metrics.repl.waiters.opTime`
+