# \[Java\] What happened to .cache(true) on filters in 2.0?

**URL:** <https://discuss.elastic.co/t/java-what-happened-to-cache-true-on-filters-in-2-0/54427>\
**Category:** Elasticsearch\
**Created:** [June 30, 2016, 3:27pm UTC](https://discuss.elastic.co/t/java-what-happened-to-cache-true-on-filters-in-2-0/54427 "2016-06-30T15:27:46Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Shadoninja](https://avatars.discourse-cdn.com/v4/letter/s/71e660/32.png) [@Shadoninja](https://discuss.elastic.co/u/Shadoninja)\
**Post date:** [June 30, 2016, 3:27pm UTC](https://discuss.elastic.co/t/java-what-happened-to-cache-true-on-filters-in-2-0/54427/1 "2016-06-30T15:27:46Z")

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I am doing the API upgrade on our system and am currently doing the jump from 1.X to 2.X. What happened to explicit caching on the filters? I did some Googling and didn't see anything about a replacement command or whether or not ES is going to handle this automatically now.

Example code from my 1.X API:

```
BoolFilterBuilder combinedFilter = FilterBuilders.boolFilter().cache(true);
```

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**Author:** ![jpountz](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jpountz/32/45836_2.png) [@jpountz](https://discuss.elastic.co/u/jpountz)\
**Post date:** [June 30, 2016, 5:30pm UTC](https://discuss.elastic.co/t/java-what-happened-to-cache-true-on-filters-in-2-0/54427/2 "2016-06-30T17:30:57Z")

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As of 2.0, elasticsearch figures out whether to cache filters by itself, based on how often they are reused. See [https://www.elastic.co/guide/en/elasticsearch/reference/current/breaking\_20\_query\_dsl\_changes.html#\_filter\_auto\_caching](https://www.elastic.co/guide/en/elasticsearch/reference/current/breaking_20_query_dsl_changes.html#_filter_auto_caching) and [https://www.elastic.co/blog/better-query-execution-coming-elasticsearch-2-0](https://www.elastic.co/blog/better-query-execution-coming-elasticsearch-2-0).

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<div class="post-metadata">

**Author:** ![Shadoninja](https://avatars.discourse-cdn.com/v4/letter/s/71e660/32.png) [@Shadoninja](https://discuss.elastic.co/u/Shadoninja)\
**Post date:** [June 30, 2016, 5:47pm UTC](https://discuss.elastic.co/t/java-what-happened-to-cache-true-on-filters-in-2-0/54427/3 "2016-06-30T17:47:23Z")

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Thank you!

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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:** [July 5, 2017, 10:39pm UTC](https://discuss.elastic.co/t/java-what-happened-to-cache-true-on-filters-in-2-0/54427/4 "2017-07-05T22:39:10Z")

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Closed on July 5, 2017, 10:39pm UTC