# How to remove duplicate logs in logstash?

**URL:** <https://discuss.elastic.co/t/how-to-remove-duplicate-logs-in-logstash/212767>\
**Category:** Logstash\
**Created:** [December 22, 2019, 7:41am UTC](https://discuss.elastic.co/t/how-to-remove-duplicate-logs-in-logstash/212767 "2019-12-22T07:41:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![mord](https://avatars.discourse-cdn.com/v4/letter/m/ed8c4c/32.png) [@mord](https://discuss.elastic.co/u/mord)\
**Post date:** [December 22, 2019, 7:41am UTC](https://discuss.elastic.co/t/how-to-remove-duplicate-logs-in-logstash/212767/1 "2019-12-22T07:41:08Z")

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How to remove duplicate logs in logstash ?

```
input {
  beats {
    port => 5044
    tags => "%{[fields][log_type]}"
  }
}

}
filter {
  fingerprint {
    source => "message"
    target => "[@metadata][fingerprint]"
    method => "SHA256"
  }
}

output {
  elasticsearch {
    hosts => ["192.168.0.90:9200"]
    manage_template => false
    index => "index-%{+YYYY.MM.dd}"
    document_id => "%{[@metadata][fingerprint]}"
    user => User
    password => Pass
	}
}
```

---

<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:** [January 19, 2020, 7:41am UTC](https://discuss.elastic.co/t/how-to-remove-duplicate-logs-in-logstash/212767/2 "2020-01-19T07:41:09Z")

</div>

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