Hi,
production servers these indexing is getting failed because of the out of
memory swap space. Please suggest some good method to reindex using lucene
indexes with even stored=false.

It is not possible to reindex fields which were not stored. You will
need to go back to the original data source.

This is a major contraint in some cases. In my case a lot of the data is user-generated and does not have another source to index from.

Is there a formal manner to transfer the data to a database or file-format from which it can be reloaded?

I would say an export to a CSV file (which could become huge) and the reload it from that?

Roalnd


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