# Term Lookup Filter array Max size limit

**URL:** <https://discuss.elastic.co/t/term-lookup-filter-array-max-size-limit/217890>\
**Category:** Elasticsearch\
**Created:** [February 4, 2020, 11:36pm UTC](https://discuss.elastic.co/t/term-lookup-filter-array-max-size-limit/217890 "2020-02-04T23:36:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Rajesh\_Shetty](https://avatars.discourse-cdn.com/v4/letter/r/ccd318/32.png) [@Rajesh\_Shetty](https://discuss.elastic.co/u/Rajesh_Shetty)\
**Post date:** [February 4, 2020, 11:36pm UTC](https://discuss.elastic.co/t/term-lookup-filter-array-max-size-limit/217890/1 "2020-02-04T23:36:42Z")

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We are on still using 1.7 using term lookup filter ([https://www.elastic.co/blog/terms-filter-lookup](https://www.elastic.co/blog/terms-filter-lookup)) a lot for filtering out data thru id mapping . Question is what is the limit of how big a document can be in terms of array size which is being used for term filter lookup .  
Is it 1000, 2000 or there is no real limit ?

I have not seen any real answer on this , except the discussions like these. [Upper limits on terms filter array size](https://discuss.elastic.co/t/upper-limits-on-terms-filter-array-size/37717)

-Rajesh

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 3, 2020, 11:39pm UTC](https://discuss.elastic.co/t/term-lookup-filter-array-max-size-limit/217890/2 "2020-03-03T23:39:59Z")

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