# Completion suggester index - What's loaded in heap?

**URL:** <https://discuss.elastic.co/t/completion-suggester-index-whats-loaded-in-heap/285041>\
**Category:** Elasticsearch\
**Created:** [September 24, 2021, 12:52am UTC](https://discuss.elastic.co/t/completion-suggester-index-whats-loaded-in-heap/285041 "2021-09-24T00:52:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![mattkallo](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mattkallo/32/109746_2.png) [@mattkallo](https://discuss.elastic.co/u/mattkallo)\
**Post date:** [September 24, 2021, 12:52am UTC](https://discuss.elastic.co/t/completion-suggester-index-whats-loaded-in-heap/285041/1 "2021-09-24T00:52:39Z")

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I have an index with 20+ fields and the same index has one suggester/completion field. As I understand, completion suggester is loaded into heap for faster response times.

My question is - does all the fields in the index get loaded into heap or only the field with type "completion"?

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:** [October 22, 2021, 12:53am UTC](https://discuss.elastic.co/t/completion-suggester-index-whats-loaded-in-heap/285041/2 "2021-10-22T00:53:19Z")

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