# When is the cache full?

**URL:** <https://discuss.elastic.co/t/when-is-the-cache-full/66183>\
**Category:** Elasticsearch\
**Created:** [November 16, 2016, 1:15am UTC](https://discuss.elastic.co/t/when-is-the-cache-full/66183 "2016-11-16T01:15:25Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![famoss](https://avatars.discourse-cdn.com/v4/letter/f/67e7ee/32.png) [@famoss](https://discuss.elastic.co/u/famoss)\
**Post date:** [November 16, 2016, 1:15am UTC](https://discuss.elastic.co/t/when-is-the-cache-full/66183/1 "2016-11-16T01:15:25Z")

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[All about cache](https://www.elastic.co/guide/en/elasticsearch/guide/current/filter-caching.html#_autocaching_behavior) says:

> Once cached, a non-scoring bitset will remain in the cache until it is evicted. Eviction is done on an LRU basis: the least-recently used filter will be evicted **once the cache is full**.

Is there any setting for `bitset`,when is the cache full?

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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:** [December 14, 2016, 1:15am UTC](https://discuss.elastic.co/t/when-is-the-cache-full/66183/2 "2016-12-14T01:15:30Z")

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Closed on December 14, 2016, 1:15am UTC

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