Thanks, it makes sense in this case. I don't think I can prevent something 
like that from happening?

On Wednesday, August 6, 2014 1:29:40 PM UTC-4, David Pilato wrote:
>
> Well. It is incremental.
>
> But let's say you have saved old Lucene segments and that old segments has 
> been merged in the meantime to a new bigger one, the next snapshot will 
> copy the new BIG segment and remove the old ones.
>
> It means that old data will be copied twice in this scenario.
>
> Makes sense?
>
> --
> David ;-)
> Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
>
> Le 6 août 2014 à 18:36, IronMike <[email protected] <javascript:>> a 
> écrit :
>
>
>
> curl -XPUT http://localhost:9200/_snapshot/myRepository/myIndex_`date 
> "+%Y-%m-%d"`?wait_for_completion=true
>
> This cron job runs daily which backs up my index to AWS S3, each day the 
> snapshot has a different name. 
>
> I want to make sure that I am not duplicating a 10GB index for example 
> everyday in S3? Does it look at my index from yesterday and only index the 
> changes? What if there were no changes, What does it mean for todays 
> snapshot vs yesterday's snapshot (Is there a duplicate?)
>
>
> Thanks
>
>
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