Yes, there is no support for upgrading a pre-8.x index to 9 or later.
At some point it was decided that supporting that would lead to grief
for users and/or hamper development of Lucene, so now you can only
upgrade one major version. If you need to do so, the best supported
option is to write a pro
You could switch to DocValues, and it would probably be more efficient
if you are only retrieving a single stored field but you have a lot of
other ones in the index since stored fields are stored together and
have to be decoded together. As far as visiting every segment on disk
I'm not sure what
Hi Deepak,
I see that you are setting the index location directory to the `docs`
folder.
I'd say follow the instructions from
https://lucene.apache.org/core/9_11_0/demo/index.html, and specify the
correct `-docs` directory input which contains Lucene source code.
Inside the github repo: try sendin
