# Missing data when logstash Aggregate

**URL:** <https://discuss.elastic.co/t/missing-data-when-logstash-aggregate/355511>\
**Category:** Logstash\
**Created:** [March 15, 2024, 4:55pm UTC](https://discuss.elastic.co/t/missing-data-when-logstash-aggregate/355511 "2024-03-15T16:55:12Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Minh\_S\_D](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/minh_s_d/32/123421_2.png) [@Minh\_S\_D](https://discuss.elastic.co/u/Minh_S_D)\
**Post date:** [March 15, 2024, 4:55pm UTC](https://discuss.elastic.co/t/missing-data-when-logstash-aggregate/355511/1 "2024-03-15T16:55:12Z")

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Input:  
 ![aaaaaaaaaa](https://us1.discourse-cdn.com/elastic/original/3X/5/3/5330e2c090a7e6198489ee5332876ea053923e9e.png)  
Output:  
 ![bbbbbbbbbbbb](https://us1.discourse-cdn.com/elastic/original/3X/1/b/1b632ff4cd3456134bfc10af76610eddb054d6da.png)  
Code:

 ![cccccccccccc](https://us1.discourse-cdn.com/elastic/original/3X/0/f/0f942384c2787a510d0912c5a8b087b584a4b9ee.png)  
 ![ddddddddd](https://us1.discourse-cdn.com/elastic/original/3X/d/8/d8af7743e2487fbf913e629927179bc4f86ea66a.png)

Can someone explain to me why am i missing data?

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<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [March 15, 2024, 5:01pm UTC](https://discuss.elastic.co/t/missing-data-when-logstash-aggregate/355511/2 "2024-03-15T17:01:20Z")

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Have you set pipeline.workers to 1?

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<div class="post-metadata">

**Author:** ![Minh\_S\_D](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/minh_s_d/32/123421_2.png) [@Minh\_S\_D](https://discuss.elastic.co/u/Minh_S_D)\
**Post date:** [March 15, 2024, 5:06pm UTC](https://discuss.elastic.co/t/missing-data-when-logstash-aggregate/355511/3 "2024-03-15T17:06:48Z")

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> [@Badger](#):
>
> pipeline.workers to 1

thank you so much

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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:** [April 12, 2024, 5:07pm UTC](https://discuss.elastic.co/t/missing-data-when-logstash-aggregate/355511/4 "2024-04-12T17:07:31Z")

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Closed on April 12, 2024, 5:07pm UTC

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