Blocker for Upgrade to 2.x

Elastic Stack Elasticsearch
1

Hi all,

we are using ES 1.3.7 version for huge data's.

For upgrading to 2.x, we have big blocker (i.e) more than thousands Mapping conflicts in indices .

we need to upgrade because facing more bugs's in ES 1.x

we facing difficulties to overcome this blocker ,Can any one suggest how to resolve it!

2

You will need to reindex the data to fix those conflicts.

3

thanks @warkolm ,Reindex leads to data loss right?

4

Nope.

5

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