Is the snapshot incremental?


(shoebalig) #1

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?

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Thanks & RegardsShoeb Khan8743990512

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(Allan Mitchell) #2

Hi
Does this help?

From:
https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-snapshots.html

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 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

--
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(shoebalig) #3

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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(system) #4