# Kibana add wrong duplicate values

**URL:** <https://discuss.elastic.co/t/kibana-add-wrong-duplicate-values/256256>\
**Category:** Elasticsearch\
**Created:** [November 22, 2020, 10:16am UTC](https://discuss.elastic.co/t/kibana-add-wrong-duplicate-values/256256 "2020-11-22T10:16:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Mohammad\_Mousavi](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mohammad_mousavi/32/56508_2.png) [@Mohammad\_Mousavi](https://discuss.elastic.co/u/Mohammad_Mousavi)\
**Post date:** [November 22, 2020, 10:16am UTC](https://discuss.elastic.co/t/kibana-add-wrong-duplicate-values/256256/1 "2020-11-22T10:16:05Z")

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Hi, This is a sample from discovery section in kibana.

![2](https://us1.discourse-cdn.com/elastic/original/3X/7/5/75ccfee98e3b204e38f2e341d2051dac3b8a7a08.png)

It happens **only** some times that values are duplicate. The exact log in Grok Debugger looks fine. Whys this is happening?

I've added this line to logstash but nothing changes.

> ```
> kv {
> allow_duplicate_values => false
> }
> 
> ```

---

<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [November 22, 2020, 11:55pm UTC](https://discuss.elastic.co/t/kibana-add-wrong-duplicate-values/256256/2 "2020-11-22T23:55:27Z")

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What does the `_source` of the event look like?

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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 20, 2020, 11:55pm UTC](https://discuss.elastic.co/t/kibana-add-wrong-duplicate-values/256256/3 "2020-12-20T23:55:30Z")

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