# Duration of several events

**URL:** <https://discuss.elastic.co/t/duration-of-several-events/237168>\
**Category:** Elasticsearch\
**Created:** [June 15, 2020, 4:32pm UTC](https://discuss.elastic.co/t/duration-of-several-events/237168 "2020-06-15T16:32:27Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![artobstrel](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/artobstrel/32/16874_2.png) [@artobstrel](https://discuss.elastic.co/u/artobstrel)\
**Post date:** [June 15, 2020, 4:32pm UTC](https://discuss.elastic.co/t/duration-of-several-events/237168/1 "2020-06-15T16:32:27Z")

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After Logstash I have the following data in Elastic:

| EVENTTIME | OPERATION | MSGID |
| --- | --- | --- |
| 20-06-20 05:09:46 | Input | 889780ef |
| 20-06-20 05:09:47 | Casche | 889780ef |
| 20-06-20 05:09:48 | Transform | 889780ef |
| 20-06-20 05:09:51 | Output | 889780ef |
| 20-06-20 06:11:48 | Input | 932c03a5 |
| 20-06-20 06:11:54 | Transform | 932c03a5 |
| 20-06-20 06:11:55 | Output | 932c03a5 |

On a Kibanа dashboard I want to get the duration for each MSGID:

| MSGID | DURATION |
| --- | --- |
| 889780ef | 00:05 |
| 932c03a5 | 00:07 |

By **DURATION** I mean the difference between Input and Output operations.

Tell me please, how to better implement this?

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**Author:** ![Hendrik\_Muhs](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/hendrik_muhs/32/25802_2.png) [@Hendrik\_Muhs](https://discuss.elastic.co/u/Hendrik_Muhs)\
**Post date:** [June 16, 2020, 7:05am UTC](https://discuss.elastic.co/t/duration-of-several-events/237168/2 "2020-06-16T07:05:03Z")

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You can use [transform](https://www.elastic.co/guide/en/elasticsearch/reference/7.7/transforms.html) to create a entity centric view on your index.

An example for duration can be found [here](https://www.elastic.co/guide/en/elasticsearch/reference/current/transform-painless-examples.html#painless-bucket-script).

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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:** [July 14, 2020, 7:05am UTC](https://discuss.elastic.co/t/duration-of-several-events/237168/3 "2020-07-14T07:05:03Z")

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