DOCS-9988 - Document new replication heartbeats log component.

Author: jdestefano-mongo

source/includes/options-conf.yaml

@@ -137,6 +137,17 @@ replacement:
   version: ".. versionadded:: 3.0"
 ---
 program: conf
+name: systemLog.component.replication.heartbeats.verbosity
+inherit:
+  name: systemLog.component.name.verbosity
+  program: _shared
+  file: options-shared.yaml
+replacement:
+  component_type: "heartbeats"
+  component_data: ":data:`REPL_HB`"
+  version: ".. versionadded:: 3.6"
+---
+program: conf
 name: systemLog.component.sharding.verbosity
 inherit:
   name: systemLog.component.name.verbosity

source/reference/configuration-options.txt

@@ -190,6 +190,8 @@ Core Options
 
 .. include:: /includes/option/setting-conf-systemLog.component.replication.verbosity.rst
 
+.. include:: /includes/option/setting-conf-systemLog.component.replication.heartbeats.verbosity.rst
+
 .. include:: /includes/option/setting-conf-systemLog.component.sharding.verbosity.rst
 
 .. include:: /includes/option/setting-conf-systemLog.component.storage.verbosity.rst

source/reference/log-messages.txt

@@ -195,11 +195,23 @@ categorization of the messages:
 
 .. data:: REPL
 
-   Messages related to replica sets, such as initial sync and
-   heartbeats. To specify the log level for :data:`REPL`
-   components, set the
+   Messages related to replica sets, such as initial sync, heartbeats,
+   steady state replication, and rollback. To specify the log level for
+   :data:`REPL` components, set the
    :setting:`systemLog.component.replication.verbosity` parameter.
 
+.. data:: REPL_HB
+
+   Messages related specifically to replica set heartbeats. To specify
+   the log level for :data:`REPL_HB` components, set the
+   :setting:`systemLog.component.replication.heartbeats.verbosity`
+   parameter.
+
+   :data:`REPL` is the parent component of :data:`REPL_HB`. If
+   :setting:`systemLog.component.replication.heartbeats.verbosity` is
+   unset, MongoDB uses the :data:`REPL` verbosity level for
+   :data:`REPL_HB` components.
+
 .. data:: SHARDING
 
    Messages related to sharding activities, such as the startup of
@@ -214,25 +226,16 @@ categorization of the messages:
    :data:`STORAGE` components, use the
    :setting:`systemLog.component.storage.verbosity` setting.
 
-   MongoDB distinguishes :data:`JOURNAL` components from
-   :data:`STORAGE` components; however, :data:`STORAGE` is the parent
-   of :data:`JOURNAL`. As such, if
-   :setting:`systemLog.component.storage.journal.verbosity` setting
-   is unset, MongoDB uses the :data:`STORAGE` verbosity level for
-   :data:`JOURNAL` components
-
 .. data:: JOURNAL
 
    Messages related specifically to journaling activities. To specify
    the log level for :data:`JOURNAL` components, use the
    :setting:`systemLog.component.storage.journal.verbosity` setting.
 
-   MongoDB distinguishes :data:`JOURNAL` components from
-   :data:`STORAGE` components; however, :data:`STORAGE` is the parent
-   of :data:`JOURNAL`. As such, if
+   :data:`STORAGE` is the parent component of :data:`JOURNAL`. If
    :setting:`systemLog.component.storage.journal.verbosity` is
-   unset, MongoDB uses the :data:`STORAGE` verbosity level for the
-   :data:`JOURNAL` components as well.
+   unset, MongoDB uses the :data:`STORAGE` verbosity level for
+   :data:`JOURNAL` components.
 
 .. data:: WRITE