@@ -4185,27 +4185,27 @@ shardingStatistics
4185
4185
4186
4186
.. serverstatus:: shardingStatistics.countDonorMoveChunkStarted
4187
4187
4188
- The total number of times that the :dbcommand:`moveChunk` command
4189
- has started on the shard, of which this node is a member, as part of
4190
- a :ref:`chunk migration process <chunk-migration-procedure>`. This
4191
- increasing number does not consider whether the chunk migrations
4192
- succeed or not.
4188
+ The total number of times that MongoDB starts the
4189
+ :dbcommand:`moveChunk` command on the primary node of the shard as
4190
+ part of the :ref:`chunk migration process
4191
+ <chunk-migration-procedure>`. This increasing number does not
4192
+ consider whether the chunk migrations succeed or not.
4193
4193
4194
4194
*Only present when run on a shard.*
4195
4195
4196
4196
.. serverstatus:: shardingStatistics.countDonorMoveChunkCommitted
4197
4197
4198
- Total number of chunk migrations committed on the shard, of which
4199
- the current node is a member .
4198
+ The total number of chunk migrations that MongoDB commits on the
4199
+ primary node of the shard .
4200
4200
4201
4201
.. include:: /includes/chunk-migrations.rst
4202
4202
4203
4203
.. include:: /includes/chunk-migrations-version-list.rst
4204
4204
4205
4205
.. serverstatus:: shardingStatistics.countDonorMoveChunkAborted
4206
4206
4207
- Total number of chunk migrations aborted on the shard, of which the
4208
- current node is a member.
4207
+ The total number of chunk migrations that MongoDB aborts on the
4208
+ primary node of the shard.
4209
4209
4210
4210
.. include:: /includes/chunk-migrations.rst
4211
4211
@@ -4225,31 +4225,30 @@ shardingStatistics
4225
4225
4226
4226
.. serverstatus:: shardingStatistics.totalDonorChunkCloneTimeMillis
4227
4227
4228
- The cumulative time, in milliseconds, taken by the :ref:`clone phase
4229
- of the chunk migrations <chunk-migration-procedure>` from this
4230
- shard, of which this node is a member . Specifically, for each
4231
- migration from this shard, the tracked time starts with the
4232
- :dbcommand:`moveChunk` command and ends before the destination shard
4233
- enters a catch-up phase to apply changes that occurred during the
4234
- :ref:`chunk migrations <chunk-migration-procedure>`.
4228
+ The cumulative time, in milliseconds, that the :ref:`clone phase of
4229
+ the chunk migrations <chunk-migration-procedure>` takes on the
4230
+ primary node of the shard . Specifically, for each migration on this
4231
+ shard, the tracked time starts with the :dbcommand:`moveChunk`
4232
+ command and ends before the destination shard enters a ``catchup``
4233
+ phase to apply changes that occurred during the :ref:`chunk
4234
+ migrations <chunk-migration-procedure>`.
4235
4235
4236
4236
*Only present when run on a shard.*
4237
4237
4238
4238
.. serverstatus:: shardingStatistics.totalCriticalSectionCommitTimeMillis
4239
4239
4240
- The cumulative time, in milliseconds, taken by the :ref:`update
4240
+ The cumulative time, in milliseconds, that the :ref:`update
4241
4241
metadata phase of the chunk migrations <chunk-migration-procedure>`
4242
- from this shard, of which this node is a member . During the update
4243
- metadata phase, all operations on the collection are blocked .
4242
+ takes on the primary node of the shard . During the update metadata
4243
+ phase, MongoDB blocks all operations on the collection.
4244
4244
4245
4245
*Only present when run on a shard.*
4246
4246
4247
4247
.. serverstatus:: shardingStatistics.totalCriticalSectionTimeMillis
4248
4248
4249
- The cumulative time, in milliseconds, taken by the :ref:`catch-up
4249
+ The cumulative time, in milliseconds, that the :ref:`catch-up
4250
4250
phase and the update metadata phase of the chunk migrations
4251
- <chunk-migration-procedure>` from this shard, of which this node is
4252
- a member.
4251
+ <chunk-migration-procedure>` takes on the primary node of the shard.
4253
4252
4254
4253
To calculate the duration of the catch-up phase, subtract
4255
4254
:serverstatus:`~shardingStatistics.totalCriticalSectionCommitTimeMillis` from
@@ -4263,20 +4262,18 @@ shardingStatistics
4263
4262
4264
4263
.. serverstatus:: shardingStatistics.countDocsClonedOnRecipient
4265
4264
4266
- Cumulative, always-increasing count of documents that have been
4267
- cloned on this member where it acted as the primary of the recipient
4268
- shard.
4265
+ The cumulative, always-increasing count of documents that MongoDB
4266
+ clones on the primary node of the recipient shard.
4269
4267
4270
4268
*Only present when run on a shard.*
4271
4269
4272
4270
.. versionadded:: 4.2
4273
4271
4274
4272
.. serverstatus:: shardingStatistics.countBytesClonedOnRecipient
4275
4273
4276
- Cumulative number of bytes cloned on the current member node during a
4277
- :ref:`chunk migration procedure <chunk-migration-procedure>`, where
4278
- the current member node acted as the primary node for the recipient
4279
- shard.
4274
+ The cumulative number of bytes that MongoDB clones on the primary
4275
+ node of the recipient shard during the :ref:`chunk migration
4276
+ procedure <chunk-migration-procedure>`.
4280
4277
4281
4278
.. include:: /includes/chunk-migrations-data-copy.rst
4282
4279
@@ -4286,10 +4283,10 @@ shardingStatistics
4286
4283
4287
4284
.. serverstatus:: shardingStatistics.countDocsClonedOnCatchUpOnRecipient
4288
4285
4289
- Cumulative number of documents cloned on the current member node
4290
- during the catch-up phase of a :ref:`chunk migration procedure
4291
- < chunk- migration-procedure>`, where the current member node acted as
4292
- the primary node for the recipient shard.
4286
+ The cumulative number of documents that MongoDB clones on the primary
4287
+ node of the recipient shard during the catch-up phase of the
4288
+ :ref:` chunk migration procedure
4289
+ <chunk-migration-procedure>`.
4293
4290
4294
4291
.. include:: /includes/chunk-migrations-data-copy.rst
4295
4292
@@ -4299,10 +4296,10 @@ shardingStatistics
4299
4296
4300
4297
.. serverstatus:: shardingStatistics.countBytesClonedOnCatchUpOnRecipient
4301
4298
4302
- Cumulative number of bytes cloned on the current member node during
4303
- the catch-up phase of a :ref:`chunk migration procedure
4304
- < chunk- migration-procedure>`, where the current member node acted as
4305
- the primary node for the recipient shard.
4299
+ The cumulative number of bytes that MongoDB clones on the primary
4300
+ node of the recipient shard during the catch-up phase of the
4301
+ :ref:` chunk migration procedure
4302
+ <chunk-migration-procedure>`.
4306
4303
4307
4304
.. include:: /includes/chunk-migrations-data-copy.rst
4308
4305
@@ -4312,9 +4309,8 @@ shardingStatistics
4312
4309
4313
4310
.. serverstatus:: shardingStatistics.countDocsClonedOnDonor
4314
4311
4315
- Cumulative, always-increasing count of documents that haves been
4316
- cloned on this member where it acted as the primary of the donor
4317
- shard.
4312
+ The cumulative, always-increasing count of documents that MongoDB
4313
+ clones on the primary node of the donor shard.
4318
4314
4319
4315
*Only present when run on a shard.*
4320
4316
@@ -4332,9 +4328,9 @@ shardingStatistics
4332
4328
4333
4329
.. serverstatus:: shardingStatistics.countDocsDeletedByRangeDeleter
4334
4330
4335
- Cumulative , always-increasing count of documents that have been
4336
- deleted on this member during chunk migration where the member acted
4337
- as the primary of the donor shard.
4331
+ The cumulative , always-increasing count of documents that MongoDB
4332
+ deletes on the primary node of the donor shard during chunk
4333
+ migration.
4338
4334
4339
4335
*Only present when run on a shard.*
4340
4336
@@ -4344,9 +4340,9 @@ shardingStatistics
4344
4340
4345
4341
.. serverstatus:: shardingStatistics.countDonorMoveChunkLockTimeout
4346
4342
4347
- Cumulative , always-increasing count of chunk migrations that were
4348
- aborted due to lock acquisition timeouts, where the member acted as
4349
- the primary of the donor shard .
4343
+ The cumulative , always-increasing count of chunk migrations that MongoDB
4344
+ aborts on the primary node of the donor shard due to lock acquisition
4345
+ timeouts .
4350
4346
4351
4347
*Only present when run on a shard.*
4352
4348
0 commit comments