# Upgrading from 5.6 to 7.5.0 -\> What problems could I face on the query/aggregation side and indexing side

**URL:** <https://discuss.elastic.co/t/upgrading-from-5-6-to-7-5-0-what-problems-could-i-face-on-the-query-aggregation-side-and-indexing-side/261054>\
**Category:** Elasticsearch\
**Created:** [January 13, 2021, 9:29pm UTC](https://discuss.elastic.co/t/upgrading-from-5-6-to-7-5-0-what-problems-could-i-face-on-the-query-aggregation-side-and-indexing-side/261054 "2021-01-13T21:29:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![JonathanAaron](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jonathanaaron/32/24405_2.png) [@JonathanAaron](https://discuss.elastic.co/u/JonathanAaron)\
**Post date:** [January 13, 2021, 9:29pm UTC](https://discuss.elastic.co/t/upgrading-from-5-6-to-7-5-0-what-problems-could-i-face-on-the-query-aggregation-side-and-indexing-side/261054/1 "2021-01-13T21:29:23Z")

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We do basic bool/must type queries based a couple of fields and several nested terms aggregations with some sum aggs.

On the indexing side of things we're going with bulk indexing.

My team is getting a new cluster set up for us and don't have to worry about the administration side of things.

Are their any huge changes with data types, templates, basic queries and aggregations I should be aware of?

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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:** [February 10, 2021, 9:29pm UTC](https://discuss.elastic.co/t/upgrading-from-5-6-to-7-5-0-what-problems-could-i-face-on-the-query-aggregation-side-and-indexing-side/261054/2 "2021-02-10T21:29:46Z")

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