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DOCS-13659: Add findChunksOnConfigTimeoutMS parameter #5703

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Aug 17, 2021
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DOCS-13659: Add findChunksOnConfigTimeoutMS parameter #5703

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29 changes: 27 additions & 2 deletions source/reference/parameters.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@ Authentication Parameters
.. parameter:: authenticationMechanisms

.. versionchanged:: 4.0

Remove support for the deprecated ``MONGODB-CR`` authentication mechanism.

|both|
Expand Down Expand Up @@ -867,6 +868,7 @@ General Parameters
retaining connections above this limit.

.. note::

The parameter is separate from the connections in TaskExecutor
pools. See :parameter:`ShardingTaskExecutorPoolMaxSize`.

Expand Down Expand Up @@ -940,6 +942,7 @@ General Parameters
excess of the value of :parameter:`connPoolMaxConnsPerHost`.

.. note::

The parameter is separate from the connections in TaskExecutor
pools. See :parameter:`ShardingTaskExecutorPoolMaxSize`.

Expand Down Expand Up @@ -1854,6 +1857,7 @@ The following parameters support diagnostic data capture (FTDC):
.. versionadded:: 3.2

.. versionchanged:: 3.4

Increased default size to 200 megabytes.

.. versionchanged:: 3.4.14
Expand Down Expand Up @@ -3056,8 +3060,7 @@ Sharding Parameters
.. parameter:: ShardingTaskExecutorPoolReplicaSetMatching

.. versionadded:: 4.2
.. versionchanged:: 5.0 (*Also starting in 4.4.5 and
4.2.13*)
.. versionchanged:: 5.0 (*Also starting in 4.4.5 and 4.2.13*)

Type: string

Expand Down Expand Up @@ -3545,6 +3548,28 @@ Sharding Parameters

- MongoDB 3.4.11+

.. parameter:: findChunksOnConfigTimeoutMS

.. versionadded:: 5.0

|both|

Type: Non-negative integer

Default: 900000

The timeout in milliseconds for find operations on
:data:`~config.chunks`.

If there is a large number of chunks in the cluster and chunk loading
fails with the error ``ExceededTimeLimit``, increase the parameter
value:

.. code-block:: bash

mongod --setParameter findChunksOnConfigTimeoutMS=1000000


Storage Parameters
~~~~~~~~~~~~~~~~~~

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7 changes: 7 additions & 0 deletions source/release-notes/5.0.txt
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Expand Up @@ -550,6 +550,13 @@ Starting in MongoDB 5.0, the :dbcommand:`setParameter` command has a new
:parameter:`maxValidateMemoryUsageMB` parameter, which sets the maximum
memory usage for the :dbcommand:`validate` command.

``findChunksOnConfigTimeoutMS`` Server Parameter
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Starting in MongoDB 5.0, you can use the
:parameter:`findChunksOnConfigTimeoutMS` parameter to change the timout
for find operations on :data:`~config.chunks`.

Database Profiler ``filter`` Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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