# Eland, when querying an index it will store the whole index in a dataframe?

**URL:** <https://discuss.elastic.co/t/eland-when-querying-an-index-it-will-store-the-whole-index-in-a-dataframe/323340>\
**Category:** Elasticsearch\
**Created:** [January 17, 2023, 3:33pm UTC](https://discuss.elastic.co/t/eland-when-querying-an-index-it-will-store-the-whole-index-in-a-dataframe/323340 "2023-01-17T15:33:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ElasticLiver](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/elasticliver/32/64869_2.png) [@ElasticLiver](https://discuss.elastic.co/u/ElasticLiver)\
**Post date:** [January 17, 2023, 3:33pm UTC](https://discuss.elastic.co/t/eland-when-querying-an-index-it-will-store-the-whole-index-in-a-dataframe/323340/1 "2023-01-17T15:33:45Z")

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Using Eland, When querying an index it will store the whole index in a dataframe? or only the elasticsearch limit 10000 documents?

these dataframes are stored in the memory of the server?

Any strategy you recomend when using and manipulating a heavy index?

Thanks.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 14, 2023, 3:34pm UTC](https://discuss.elastic.co/t/eland-when-querying-an-index-it-will-store-the-whole-index-in-a-dataframe/323340/2 "2023-02-14T15:34:15Z")

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