[SPARK] Set Auto Bucket Partitioner to be the default partitioning strategy #252
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rachel-mack
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May 8, 2025
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| The ``AutoBucketPartitioner`` is the default partitioner configuration. It | ||
| samples the data to generate partitions and uses | ||
| the :manual:`$bucketAuto </reference/operator/aggregation/bucketAuto/>` | ||
| aggregation stage to paginate. By using this configuration, you can partition | ||
| the data across single or multiple fields, including nested fields. | ||
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| .. note:: Compound Keys | ||
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| The ``AutoBucketPartitioner`` configuration requires {+mdb-server+} version | ||
| 7.0 or higher to support compound keys. |
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I moved the entire AutoBucketPartitioner section to the top because it's the default, so the entire section is showing up as new, but this highlighted section, and the SamplePartitioner section below are the only content I've changed.
rachel-mack
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May 8, 2025
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| The ``SamplePartitioner`` configuration is similar to the | ||
| :ref:`AutoBucketPartitioner <conf-autobucketpartitioner>` configuration, but | ||
| does not use the ``$bucketAuto`` aggregation stage. This | ||
| configuration lets you specify a partition field, partition size, and number of | ||
| samples per partition. |
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Also modified, see note above.
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JIRA - https://jira.mongodb.org/browse/DOCSP-49645
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