Index migration from a 1.x cluster to a 2.x using Nest

Elastic Stack Elasticsearch
1

Hello,
I'm working on a C# migration app who will be used to export documents from a 1.7.3 Elasticsearch cluster to a 2.4.2.
While reading Nest documentation, it appear that 2 versions of Nest will be used to be able to discuss with each cluster (Nest 1.x for ES 1.7.3 and Nest 2.x for ES 2.4.2). I don't know how to deal with 2 versions of nest.
Is there a better way to achieve this using c#?

Thanks in advance

2

Is there any special need to be in C#? Why don't you simply use Logstash?

3

I don't know if it's possible with Logstash but this app will be used several times to export documents with a boolean filter (date range + field value) and i'll need to make it simple for other users (console app).

4

I use Logstash with my C# application to export documents.
My application edit the .conf with user input parameters (i.e rewrite the file with query and index parameters) and run it using the logstash command.

5

That seems to be a good solution!

6

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