# HDR Histogram Percentiles

**URL:** <https://discuss.elastic.co/t/hdr-histogram-percentiles/175872>\
**Category:** Elasticsearch\
**Created:** [April 8, 2019, 3:23pm UTC](https://discuss.elastic.co/t/hdr-histogram-percentiles/175872 "2019-04-08T15:23:16Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![psargent](https://avatars.discourse-cdn.com/v4/letter/p/bb73d2/32.png) [@psargent](https://discuss.elastic.co/u/psargent)\
**Post date:** [April 8, 2019, 3:23pm UTC](https://discuss.elastic.co/t/hdr-histogram-percentiles/175872/1 "2019-04-08T15:23:16Z")

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Hi, I need to always use the HDR percentiles. Is there a way to configure Elasticsearch to use that as the default percentile method?

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**Author:** ![spinscale](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/spinscale/32/25011_2.png) [@spinscale](https://discuss.elastic.co/u/spinscale)\
**Post date:** [April 9, 2019, 9:10am UTC](https://discuss.elastic.co/t/hdr-histogram-percentiles/175872/2 "2019-04-09T09:10:00Z")

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You will always need to specify this as part of your request.

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**Author:** ![psargent](https://avatars.discourse-cdn.com/v4/letter/p/bb73d2/32.png) [@psargent](https://discuss.elastic.co/u/psargent)\
**Post date:** [April 9, 2019, 5:17pm UTC](https://discuss.elastic.co/t/hdr-histogram-percentiles/175872/3 "2019-04-09T17:17:50Z")

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OK. Thank you for your reply. I appreciate it!

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**Author:** ![RainTown](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/raintown/32/140206_2.png) [@RainTown](https://discuss.elastic.co/u/RainTown)\
**Post date:** [April 10, 2019, 6:35am UTC](https://discuss.elastic.co/t/hdr-histogram-percentiles/175872/4 "2019-04-10T06:35:45Z")

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I am interested in this too - is the above a yes or a no? If a yes, how to specific?

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**Author:** ![psargent](https://avatars.discourse-cdn.com/v4/letter/p/bb73d2/32.png) [@psargent](https://discuss.elastic.co/u/psargent)\
**Post date:** [April 10, 2019, 2:07pm UTC](https://discuss.elastic.co/t/hdr-histogram-percentiles/175872/5 "2019-04-10T14:07:09Z")

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The answer was that there is no way to change the default. You always need to specify as part of the request. Example query part:  
"aggs":{"1":{"percentiles":{"field":"performance","percents":["25","50","75","90","95","100"],"hdr":{"number\_of\_significant\_value\_digits" : 3}}}}

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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 8, 2019, 2:18pm UTC](https://discuss.elastic.co/t/hdr-histogram-percentiles/175872/6 "2019-05-08T14:18:37Z")

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