# Is the snapshot incremental?

**URL:** <https://discuss.elastic.co/t/is-the-snapshot-incremental/23701>\
**Category:** Elasticsearch\
**Created:** [May 28, 2015, 5:40am UTC](https://discuss.elastic.co/t/is-the-snapshot-incremental/23701 "2015-05-28T05:40:36Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![shoebalig](https://avatars.discourse-cdn.com/v4/letter/s/c57346/32.png) [@shoebalig](https://discuss.elastic.co/u/shoebalig)\
**Post date:** [May 28, 2015, 5:40am UTC](https://discuss.elastic.co/t/is-the-snapshot-incremental/23701/1 "2015-05-28T05:40:36Z")

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I am suffering from incremental snapshot problem. my cron-job runs daily. each day the  
snapshot has a different name.There are chances that there is no modification or changes found on original index.  
however cron-job create snapshot again on its scheduled time. which leads  
duplicity in data and restore takes a lot of time.

What if I retain only last 5 or last 10 snapshot? Will this cause any data  
lose anyway?

And on restore whole index will be restored?

--

_Thanks & RegardsShoeb Khan8743990512_

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**Author:** ![Allan\_Mitchell](https://avatars.discourse-cdn.com/v4/letter/a/edb3f5/32.png) [@Allan\_Mitchell](https://discuss.elastic.co/u/Allan_Mitchell)\
**Post date:** [May 28, 2015, 5:50am UTC](https://discuss.elastic.co/t/is-the-snapshot-incremental/23701/2 "2015-05-28T05:50:36Z")

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Hi  
Does this help?

From:

> **[Snapshot and restore | Elastic Docs](https://www.elastic.co/docs/deploy-manage/tools/snapshot-and-restore)**
>
> A snapshot is a backup of a running Elasticsearch cluster. You can use snapshots to: Regularly back up a cluster with no downtime, Recover data after...

The index snapshot process is incremental. In the process of making the  
index snapshot Elasticsearch analyses the list of the index files that are  
already stored in the repository and copies only files that were created or  
changed since the last snapshot. That allows multiple snapshots to be  
preserved in the repository in a compact form.

On 28 May 2015 at 06:40, shoeb khan [shoebalig@gmail.com](mailto:shoebalig@gmail.com) wrote:

> I too suffering from same problem. my cron-job runs daily. There are  
> chances that there is no modification or changes found ion original index.  
> however cron-job create snapshot again on its scheduled time. which leads  
> duplicity and restore takes a lot of time.
> 
> What if I retain only last 5 or last 10 snapshot? Will this cause any data  
> lose anyway?
> 
> And on restore whole index will be restored?
> 
> --
> 
> _Thanks & RegardsShoeb Khan8743990512_
> 
> ## -- Please update your bookmarks! We have moved to [https://discuss.elastic.co/](https://discuss.elastic.co/)
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**Author:** ![shoebalig](https://avatars.discourse-cdn.com/v4/letter/s/c57346/32.png) [@shoebalig](https://discuss.elastic.co/u/shoebalig)\
**Post date:** [May 28, 2015, 6:33am UTC](https://discuss.elastic.co/t/is-the-snapshot-incremental/23701/3 "2015-05-28T06:33:47Z")

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This is helpful.  
It looks like that, this has been handled in 1.5, prior to that like 1.4.4 in my case. it was not handled in this manner in older  
version1.4.\* ?

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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:** [July 6, 2017, 12:11am UTC](https://discuss.elastic.co/t/is-the-snapshot-incremental/23701/4 "2017-07-06T00:11:27Z")

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