# Transferring data from one elastic to another

**URL:** <https://discuss.elastic.co/t/transferring-data-from-one-elastic-to-another/160339>\
**Category:** Logstash\
**Created:** [December 11, 2018, 9:57am UTC](https://discuss.elastic.co/t/transferring-data-from-one-elastic-to-another/160339 "2018-12-11T09:57:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![chrillebile](https://avatars.discourse-cdn.com/v4/letter/c/dec6dc/32.png) [@chrillebile](https://discuss.elastic.co/u/chrillebile)\
**Post date:** [December 11, 2018, 9:57am UTC](https://discuss.elastic.co/t/transferring-data-from-one-elastic-to-another/160339/1 "2018-12-11T09:57:19Z")

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Hey, I'm trying transfer data from one elastic to another with the help of logstash, using cron-job that runs every hour. But all the data from last run + new data gets added, so i get tons of duplicates. Is it possible for it only to add the new data that where added since last run?

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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:** [January 8, 2019, 9:58am UTC](https://discuss.elastic.co/t/transferring-data-from-one-elastic-to-another/160339/2 "2019-01-08T09:58:23Z")

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