# Significance of field param "store" to fetch data fast **URL:** \ **Category:** Elasticsearch\ **Created:** [February 7, 2019, 6:45am UTC](https://discuss.elastic.co/t/significance-of-field-param-store-to-fetch-data-fast/167385 "2019-02-07T06:45:01Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![kshi\_yelpale000](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kshi_yelpale000/32/42759_2.png) [@kshi\_yelpale000](https://discuss.elastic.co/u/kshi_yelpale000)\ **Post date:** [February 7, 2019, 6:45am UTC](https://discuss.elastic.co/t/significance-of-field-param-store-to-fetch-data-fast/167385/1 "2019-02-07T06:45:01Z")
Hi all, I want to fetch one field data very frequent, so i want to store that field data in memory for all documents, so when i fetch via search query by \_source, the result will be faster. In normal case it takes too much time when we put any field name in \_source. So i found "store" is there as field param, i want to know is there any drawback of using this or any other better solution. Bye. ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [February 7, 2019, 7:25am UTC](https://discuss.elastic.co/t/significance-of-field-param-store-to-fetch-data-fast/167385/2 "2019-02-07T07:25:52Z")
Using `store` is the way to go if you just want to read one or few fields instead of `_source`. It does not mean that the field will be read from memory. Segments might be cached by the OS though. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [March 7, 2019, 7:25am UTC](https://discuss.elastic.co/t/significance-of-field-param-store-to-fetch-data-fast/167385/3 "2019-03-07T07:25:56Z")
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