# How load big data from database using Logstash in elasticsearch index?

**URL:** <https://discuss.elastic.co/t/how-load-big-data-from-database-using-logstash-in-elasticsearch-index/326489>\
**Category:** Logstash\
**Created:** [February 25, 2023, 8:06am UTC](https://discuss.elastic.co/t/how-load-big-data-from-database-using-logstash-in-elasticsearch-index/326489 "2023-02-25T08:06:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![boliwe](https://avatars.discourse-cdn.com/v4/letter/b/9de0a6/32.png) [@boliwe](https://discuss.elastic.co/u/boliwe)\
**Post date:** [February 25, 2023, 8:06am UTC](https://discuss.elastic.co/t/how-load-big-data-from-database-using-logstash-in-elasticsearch-index/326489/1 "2023-02-25T08:06:52Z")

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I want to learn how to load big data from database to elasticsearch using logstash jdbc input plugin. I could not find my answer from other forums.  
I have 1billion data in databse. Logstash settings has 8 workers, 15000 batch size.

- Does logstash gets all data from database and close connection, and sends 15000 part by order? Or connection does not close until all data send to elasticsearch.

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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:** [March 25, 2023, 8:07am UTC](https://discuss.elastic.co/t/how-load-big-data-from-database-using-logstash-in-elasticsearch-index/326489/2 "2023-03-25T08:07:14Z")

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