DOCSP-27813 Update server parameter chunkMigrationConcurrency limitation (BACKPORT) (#2513)

jason-price-mongodb · jason-price-mongodb · web-flow · commit 9d9e07654f72 · 2023-02-06T10:37:29.000-08:00
* DOCSP-25925-migrationConcurrency (#2144) * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency * DOCSP-25925-migrationConcurrency Co-authored-by: jason-price-mongodb <jshfjghsdfgjsdjh@aolsdjfhkjsdhfkjsdf.com> * DOCSP-25925-migrationConcurrency * DOCSP-27813 chunk migration concurrency limitation (#2509) * DOCSP-27813-chunkMigrationConcurrency-limitation * DOCSP-27813-chunkMigrationConcurrency-limitation * DOCSP-27813-chunkMigrationConcurrency-limitation * DOCSP-27813-chunkMigrationConcurrency-limitation --------- Co-authored-by: jason-price-mongodb <jshfjghsdfgjsdjh@aolsdjfhkjsdhfkjsdf.com> --------- Co-authored-by: jason-price-mongodb <jshfjghsdfgjsdjh@aolsdjfhkjsdhfkjsdf.com>
diff --git a/source/reference/parameters.txt b/source/reference/parameters.txt
@@ -2733,6 +2733,12 @@ Sharding Parameters
    Maximum value is 500. You should typically use fewer than 32 threads
    unless you are using NVMe (Non-Volatile Memory Express) disks.
 
+   If ``chunkMigrationConcurrency`` is greater than ``1``, the
+   ``_secondaryThrottle`` configuration setting is ignored. The
+   ``_secondaryThrottle`` setting determines when the chunk migration
+   proceeds with the next document in the chunk. For details, see
+   :ref:`chunk-migration-replication`.
+
    The following example sets ``chunkMigrationConcurrency`` to ``5``:
 
    .. code-block:: bash
