@@ -4693,27 +4693,27 @@ shardingStatistics
46934693
46944694.. serverstatus:: shardingStatistics.countDonorMoveChunkStarted
46954695
4696- The total number of times that the :dbcommand:`moveChunk` command
4697- or :dbcommand:`moveRange` have started on the shard, of which this
4698- node is a member, as part of a :ref:`range migration process
4699- <range-migration-procedure>`. This increasing number does not
4696+ The total number of times that MongoDB starts the
4697+ :dbcommand:`moveChunk` command or :dbcommand:`moveRange` command on
4698+ the primary node of the shard as part of the :ref:`range migration
4699+ procedure <range-migration-procedure>`. This increasing number does not
47004700 consider whether the chunk migrations succeed or not.
47014701
47024702 *Only present when run on a shard.*
47034703
47044704.. serverstatus:: shardingStatistics.countDonorMoveChunkCommitted
47054705
4706- Total number of chunk migrations committed on the shard, of which
4707- the current node is a member .
4706+ The total number of chunk migrations that MongoDB commits on the
4707+ primary node of the shard .
47084708
47094709 .. include:: /includes/chunk-migrations.rst
47104710
47114711 .. include:: /includes/chunk-migrations-version-list.rst
47124712
47134713.. serverstatus:: shardingStatistics.countDonorMoveChunkAborted
47144714
4715- Total number of chunk migrations aborted on the shard, of which the
4716- current node is a member.
4715+ The total number of chunk migrations that MongoDB aborts on the
4716+ primary node of the shard.
47174717
47184718 .. include:: /includes/chunk-migrations.rst
47194719
@@ -4733,32 +4733,30 @@ shardingStatistics
47334733
47344734.. serverstatus:: shardingStatistics.totalDonorChunkCloneTimeMillis
47354735
4736- The cumulative time, in milliseconds, taken by the :ref:`clone phase
4737- of the range migrations <range-migration-procedure>` from this
4738- shard, of which this node is a member. Specifically, for each
4739- migration from this shard, the tracked time starts with the
4740- :dbcommand:`moveRange` and :dbcommand:`moveChunk` commands and ends
4741- before the destination shard enters a ``catchup`` phase to apply
4742- changes that occurred during the :ref:`range migrations
4743- <range-migration-procedure>`.
4736+ The cumulative time, in milliseconds, that the :ref:`clone phase of
4737+ the range migration procedure <range-migration-procedure>` takes on
4738+ the primary node of the shard. Specifically, for each migration on
4739+ this shard, the tracked time starts with the :dbcommand:`moveRange`
4740+ and :dbcommand:`moveChunk` commands and ends before the destination
4741+ shard enters a ``catchup`` phase to apply changes that occurred
4742+ during the :ref:`range migration procedure <range-migration-procedure>`.
47444743
47454744 *Only present when run on a shard.*
47464745
47474746.. serverstatus:: shardingStatistics.totalCriticalSectionCommitTimeMillis
47484747
4749- The cumulative time, in milliseconds, taken by the :ref:`update
4750- metadata phase of the range migrations <range-migration-procedure>`
4751- from this shard, of which this node is a member . During the update
4752- metadata phase, all operations on the collection are blocked .
4748+ The cumulative time, in milliseconds, that the :ref:`update metadata
4749+ phase of the range migrations procedure <range-migration-procedure>`
4750+ takes on the primary node of the shard . During the update metadata
4751+ phase, MongoDB blocks all operations on the collection.
47534752
47544753 *Only present when run on a shard.*
47554754
47564755.. serverstatus:: shardingStatistics.totalCriticalSectionTimeMillis
47574756
4758- The cumulative time, in milliseconds, taken by the :ref:`catch-up
4759- phase and the update metadata phase of the range migrations
4760- <range-migration-procedure>` from this shard, of which this node is
4761- a member.
4757+ The cumulative time, in milliseconds, that the :ref:`catch-up
4758+ phase and the update metadata phase of the range migration procedure
4759+ <range-migration-procedure>` takes on the primary node of the shard.
47624760
47634761 To calculate the duration of the catch-up phase, subtract
47644762 :serverstatus:`~shardingStatistics.totalCriticalSectionCommitTimeMillis` from
@@ -4772,20 +4770,18 @@ shardingStatistics
47724770
47734771.. serverstatus:: shardingStatistics.countDocsClonedOnRecipient
47744772
4775- Cumulative, always-increasing count of documents that have been
4776- cloned on this member where it acted as the primary of the recipient
4777- shard.
4773+ The cumulative, always-increasing count of documents that MongoDB
4774+ clones on the primary node of the recipient shard.
47784775
47794776 *Only present when run on a shard.*
47804777
47814778 .. versionadded:: 4.2
47824779
47834780.. serverstatus:: shardingStatistics.countBytesClonedOnRecipient
47844781
4785- Cumulative number of bytes cloned on the current member node during a
4786- :ref:`range migration procedure <range-migration-procedure>`, where
4787- the current member node acted as the primary node for the recipient
4788- shard.
4782+ The cumulative number of bytes that MongoDB clones on the primary
4783+ node of the recipient shard during the :ref:`range migration procedure
4784+ <range-migration-procedure>`.
47894785
47904786 .. include:: /includes/chunk-migrations-data-copy.rst
47914787
@@ -4795,10 +4791,9 @@ shardingStatistics
47954791
47964792.. serverstatus:: shardingStatistics.countDocsClonedOnCatchUpOnRecipient
47974793
4798- Cumulative number of documents cloned on the current member node
4799- during the catch-up phase of a :ref:`range migration procedure
4800- <range-migration-procedure>`, where the current member node acted as
4801- the primary node for the recipient shard.
4794+ The cumulative number of documents that MongoDB clones on the primary
4795+ node of the recipient shard during the catch-up phase of the
4796+ :ref:`range migration procedure <range-migration-procedure>`.
48024797
48034798 .. include:: /includes/chunk-migrations-data-copy.rst
48044799
@@ -4808,10 +4803,9 @@ shardingStatistics
48084803
48094804.. serverstatus:: shardingStatistics.countBytesClonedOnCatchUpOnRecipient
48104805
4811- Cumulative number of bytes cloned on the current member node during
4812- the catch-up phase of a :ref:`range migration procedure
4813- <range-migration-procedure>`, where the current member node acted as
4814- the primary node for the recipient shard.
4806+ The cumulative number of bytes that MongoDB clones on the primary
4807+ node of the recipient shard during the catch-up phase of the
4808+ :ref:`range migration procedure <range-migration-procedure>`.
48154809
48164810 .. include:: /includes/chunk-migrations-data-copy.rst
48174811
@@ -4821,9 +4815,8 @@ shardingStatistics
48214815
48224816.. serverstatus:: shardingStatistics.countDocsClonedOnDonor
48234817
4824- Cumulative, always-increasing count of documents that haves been
4825- cloned on this member where it acted as the primary of the donor
4826- shard.
4818+ The cumulative, always-increasing count of documents that MongoDB
4819+ clones on the primary node of the donor shard.
48274820
48284821 *Only present when run on a shard.*
48294822
@@ -4841,9 +4834,9 @@ shardingStatistics
48414834
48424835.. serverstatus:: shardingStatistics.countDocsDeletedByRangeDeleter
48434836
4844- Cumulative , always-increasing count of documents that have been
4845- deleted on this member during chunk migration where the member acted
4846- as the primary of the donor shard.
4837+ The cumulative , always-increasing count of documents that MongoDB
4838+ deletes on the primary node of the donor shard during chunk
4839+ migration.
48474840
48484841 *Only present when run on a shard.*
48494842
@@ -4853,9 +4846,9 @@ shardingStatistics
48534846
48544847.. serverstatus:: shardingStatistics.countDonorMoveChunkLockTimeout
48554848
4856- Cumulative , always-increasing count of chunk migrations that were
4857- aborted due to lock acquisition timeouts, where the member acted as
4858- the primary of the donor shard .
4849+ The cumulative , always-increasing count of chunk migrations that MongoDB
4850+ aborts on the primary node of the donor shard due to lock acquisition
4851+ timeouts .
48594852
48604853 *Only present when run on a shard.*
48614854
@@ -4932,7 +4925,7 @@ shardingStatistics
49324925
49334926 The current total of the queued chunk range deletion tasks that are
49344927 ready to run or are running as part of the :ref:`range migration
4935- process <range-migration-procedure>`.
4928+ procedure <range-migration-procedure>`.
49364929
49374930 Inspect the documents in the :data:`config.rangeDeletions` collection
49384931 for information about the chunk ranges pending deletion from a shard
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