# How can I merge onw ElasticSearch database into another?
**URL:** https://discuss.elastic.co/t/how-can-i-merge-onw-elasticsearch-database-into-another/12797
**Category:** Elasticsearch
**Created:** [July 16, 2013, 2:13am UTC](https://discuss.elastic.co/t/how-can-i-merge-onw-elasticsearch-database-into-another/12797 "2013-07-16T02:13:39Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Raymond\_Wang](https://discuss.elastic.co/u/Raymond_Wang)
#### Post date: [July 16, 2013, 2:13am UTC](https://discuss.elastic.co/t/how-can-i-merge-onw-elasticsearch-database-into-another/12797/1 "2013-07-16T02:13:39Z")
I have two ES instance deployed, and the two instance have some data in
common. I wanna to merge the two database into one.
So, is there a tool that can help me?
any help would be appreciated.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 2:26am UTC](https://discuss.elastic.co/t/how-can-i-merge-onw-elasticsearch-database-into-another/12797/2 "2017-07-06T02:26:21Z")