# ML: difference between partition\_field\_name and by\_field\_name?

**URL:** <https://discuss.elastic.co/t/ml-difference-between-partition-field-name-and-by-field-name/280013>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-machine-learning\
**Created:** [July 29, 2021, 8:13pm UTC](https://discuss.elastic.co/t/ml-difference-between-partition-field-name-and-by-field-name/280013 "2021-07-29T20:13:08Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![BenTrent](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bentrent/32/33915_2.png) [@BenTrent](https://discuss.elastic.co/u/BenTrent)\
**Post date:** [July 29, 2021, 8:28pm UTC](https://discuss.elastic.co/t/ml-difference-between-partition-field-name-and-by-field-name/280013/2 "2021-07-29T20:28:38Z")

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This other discuss thread may shed some light: [ML Kibana: difference between by\_field\_name and partition\_field\_name - #4 by richcollier](https://discuss.elastic.co/t/ml-kibana-difference-between-by-field-name-and-partition-field-name/193385/4)

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_[View the full topic](https://discuss.elastic.co/t/ml-difference-between-partition-field-name-and-by-field-name/280013)._