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Posted to users@solr.apache.org by utsav sahavasi <ut...@gmail.com> on 2021/06/30 04:28:59 UTC

Request help / steps to upgrade from apache solr 7.x to 8.x

Hi,

I have some requirements those are I mentioned below, please do the needful

1. I have an apache solr 7.7.3 version. Want to upgrade to the 8.5.2
version.              Want to upgrade JDK to version 8 from 6
Please advise the steps for the same.

2. How to take backup of Solr data?

3. How to Export the entire data from version 7.7.3 to a CSV file?

4. How to import that CSV file to the upgraded 8.5.2 version?