# Elastic 5.2.2 Codec BEST performance?

**URL:** <https://discuss.elastic.co/t/elastic-5-2-2-codec-best-performance/83645>\
**Category:** Elasticsearch\
**Created:** [April 26, 2017, 3:51am UTC](https://discuss.elastic.co/t/elastic-5-2-2-codec-best-performance/83645 "2017-04-26T03:51:47Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![billnbell](https://avatars.discourse-cdn.com/v4/letter/b/eb8c5e/32.png) [@billnbell](https://discuss.elastic.co/u/billnbell)\
**Post date:** [April 26, 2017, 3:51am UTC](https://discuss.elastic.co/t/elastic-5-2-2-codec-best-performance/83645/1 "2017-04-26T03:51:47Z")

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How is performance on 1K - 10K \_source fields being returned when using BEST COMPRESSION?

Has it improved with Lucene 6?

[https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules.html#index-codec](https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules.html#index-codec)

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [April 30, 2017, 9:09am UTC](https://discuss.elastic.co/t/elastic-5-2-2-codec-best-performance/83645/2 "2017-04-30T09:09:08Z")

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I would recommend benchmarking it find out exactly how it affects your use case.

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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:** [May 28, 2017, 9:15am UTC](https://discuss.elastic.co/t/elastic-5-2-2-codec-best-performance/83645/3 "2017-05-28T09:15:08Z")

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