# Logstash how to extract data from elasticsearch in real time

**URL:** <https://discuss.elastic.co/t/logstash-how-to-extract-data-from-elasticsearch-in-real-time/146660>\
**Category:** Logstash\
**Created:** [August 30, 2018, 9:30am UTC](https://discuss.elastic.co/t/logstash-how-to-extract-data-from-elasticsearch-in-real-time/146660 "2018-08-30T09:30:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kevin518](https://avatars.discourse-cdn.com/v4/letter/k/c6cbf5/32.png) [@kevin518](https://discuss.elastic.co/u/kevin518)\
**Post date:** [August 30, 2018, 9:30am UTC](https://discuss.elastic.co/t/logstash-how-to-extract-data-from-elasticsearch-in-real-time/146660/1 "2018-08-30T09:30:48Z")

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How does logstash extract data from elasticsearch in real time? How does logstash record the last time to extract data from elasticsearch?

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**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [August 30, 2018, 11:13am UTC](https://discuss.elastic.co/t/logstash-how-to-extract-data-from-elasticsearch-in-real-time/146660/2 "2018-08-30T11:13:47Z")

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It doesn't. There's no "sincedb" functionality for the elasticsearch input.

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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:** [September 27, 2018, 11:18am UTC](https://discuss.elastic.co/t/logstash-how-to-extract-data-from-elasticsearch-in-real-time/146660/3 "2018-09-27T11:18:16Z")

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