# In elasticsearch 5.4.2 can merge indexs?
**URL:** https://discuss.elastic.co/t/in-elasticsearch-5-4-2-can-merge-indexs/98920
**Category:** Elasticsearch
**Created:** [August 31, 2017, 1:28am UTC](https://discuss.elastic.co/t/in-elasticsearch-5-4-2-can-merge-indexs/98920 "2017-08-31T01:28:24Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@zqc0512](https://discuss.elastic.co/u/zqc0512)
#### Post date: [August 31, 2017, 1:28am UTC](https://discuss.elastic.co/t/in-elasticsearch-5-4-2-can-merge-indexs/98920/1 "2017-08-31T01:28:24Z")
in elasticsearch 5.4.2 can merge indexs?
in my env , have so match shards, can merge indexs to only,
the shards can't have so match data.
---
### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [August 31, 2017, 2:03am UTC](https://discuss.elastic.co/t/in-elasticsearch-5-4-2-can-merge-indexs/98920/2 "2017-08-31T02:03:09Z")
You can `_shrink` indices to have less shards, but you cannot merge/shrink separate indices into one with the same API.
You could reindex (eg) daily into weekly/monthly though.
---
### Author:  [@zqc0512](https://discuss.elastic.co/u/zqc0512)
#### Post date: [August 31, 2017, 2:23am UTC](https://discuss.elastic.co/t/in-elasticsearch-5-4-2-can-merge-indexs/98920/3 "2017-08-31T02:23:26Z")
shrink can ones do many indexs?
link:
- curl -XPOST 'xxx.xx.xx.xx:9200/system-log-61-2017.08\*/\_shrink/system-log-61-2017.08?pretty'
can give me a example about reindex daily into weekly/monthly about the exist indexs?
---
### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [August 31, 2017, 3:54am UTC](https://discuss.elastic.co/t/in-elasticsearch-5-4-2-can-merge-indexs/98920/4 "2017-08-31T03:54:31Z")
Shrink is here - [https://www.elastic.co/guide/en/elasticsearch/reference/5.5/indices-shrink-index.html](https://www.elastic.co/guide/en/elasticsearch/reference/5.5/indices-shrink-index.html)
Reindex is here - [https://www.elastic.co/guide/en/elasticsearch/reference/5.5/docs-reindex.html](https://www.elastic.co/guide/en/elasticsearch/reference/5.5/docs-reindex.html). There a chapter on reindexing daily indices as well 🙂
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [September 28, 2017, 4:26am UTC](https://discuss.elastic.co/t/in-elasticsearch-5-4-2-can-merge-indexs/98920/6 "2017-09-28T04:26:11Z")
This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.