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DOCS-13951 Aggregation pipeline length limit #4797

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Jan 14, 2021
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DOCS-13951 Aggregation pipeline length limit #4797

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8 changes: 8 additions & 0 deletions source/core/aggregation-pipeline-limits.txt
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Expand Up @@ -31,6 +31,14 @@ The limit only applies to the returned documents; during the pipeline
processing, the documents may exceed this size. The
:method:`db.collection.aggregate()` method returns a cursor by default.

Number of Stages Restrictions
-----------------------------

.. versionchanged:: 5.0

MongoDB 5.0 limits the number of :doc:`aggregation pipeline stages
</reference/operator/aggregation-pipeline>` allowed in a single pipeline
to 1000.

.. _agg-memory-restrictions:

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4 changes: 4 additions & 0 deletions source/release-notes/5.0-compatibility.txt
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Expand Up @@ -61,6 +61,10 @@ General Changes
:method:`db.collection.reIndex()` shell method may only be run on
:term:`standalone` instances.

- Starting in MongoDB 5.0, the number of :doc:`aggregation pipeline
stages </reference/operator/aggregation-pipeline>` allowed in a single
pipeline is limited to 1000.

Deprecations
~~~~~~~~~~~~

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