# Best method in fingerprint

**URL:** <https://discuss.elastic.co/t/best-method-in-fingerprint/243055>\
**Category:** Logstash\
**Created:** [July 29, 2020, 12:58pm UTC](https://discuss.elastic.co/t/best-method-in-fingerprint/243055 "2020-07-29T12:58:47Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Saravana37](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/saravana37/32/85237_2.png) [@Saravana37](https://discuss.elastic.co/u/Saravana37)\
**Post date:** [July 29, 2020, 12:58pm UTC](https://discuss.elastic.co/t/best-method-in-fingerprint/243055/1 "2020-07-29T12:58:47Z")

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Hello All ,

Can any one please let me know which is the best method used in Fingerprint filter ? I am beginner in fingerprint filter and not able to figure-out .

Thanks and Regards  
Saravana S

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**Author:** ![kelk](https://avatars.discourse-cdn.com/v4/letter/k/13edae/32.png) [@kelk](https://discuss.elastic.co/u/kelk)\
**Post date:** [July 29, 2020, 8:19pm UTC](https://discuss.elastic.co/t/best-method-in-fingerprint/243055/2 "2020-07-29T20:19:13Z")

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> [@Saravana37](#):
>
> Fingerprint

I believe it is upto the use-case you are aiming for? Is it for encrypting or just duplication-prevention?

- [This Link](https://www.elastic.co/blog/logstash-lessons-handling-duplicates) is a good starting point
- More [example](https://www.elastic.co/blog/how-to-find-and-remove-duplicate-documents-in-elasticsearch) based
- A [practical example](http://www.kawikao.com/elasticsearch-document-deduplication-with-logstash/) using certain fields and de-duplication

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**Author:** ![Saravana37](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/saravana37/32/85237_2.png) [@Saravana37](https://discuss.elastic.co/u/Saravana37)\
**Post date:** [July 30, 2020, 4:09am UTC](https://discuss.elastic.co/t/best-method-in-fingerprint/243055/3 "2020-07-30T04:09:36Z")

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> [@kelk](#):
>
> prevention

Hello @kelk ,

Thank you so much for your reply and will go through the links you have provided .For now i am looking for just de-duplication . So i am looking for the support on that .

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**Author:** ![kelk](https://avatars.discourse-cdn.com/v4/letter/k/13edae/32.png) [@kelk](https://discuss.elastic.co/u/kelk)\
**Post date:** [July 30, 2020, 4:32am UTC](https://discuss.elastic.co/t/best-method-in-fingerprint/243055/4 "2020-07-30T04:32:24Z")

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> [@kelk](#):
>
> A [practical example](http://www.kawikao.com/elasticsearch-document-deduplication-with-logstash/) using certain fields and de-duplication

The above links I posted contains examples for de-duplication. Please like/solution the post if it helped. cheers

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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:** [August 27, 2020, 4:32am UTC](https://discuss.elastic.co/t/best-method-in-fingerprint/243055/5 "2020-08-27T04:32:24Z")

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