Elasticsearch Reindex using script

Elastic Stack Elasticsearch
1

Hi ,

I want to reindex my old index by adding two new fields depends on a existing field . I have a csv like below.

exisitingfeild,newfeild1,newfiled2

Can we use the reindex API's script field to parse this csv and renidex ?

Can any one help?

2

Hey,

the reindex API is not able to read anything from disk, you would need to supply this information externally. From what I read I think it makes more sense to implement your own python/perl/shell script using a scroll search, that is also reading that CSV.

--Alex

3

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