Hi Everyone, I would like to pick your brains on tackling a schema upgrade from 1.6 to 1.7. We have our current deployment on schema 1.6, which means uninvertible attribute for each field is true by default, hence sorting, faceting is supported. We do not use docValues on these fields.
Now, with the schema upgrade to 1.7, docValues=true, and uninvertible=false by default. This means that we cannot use the existing index, as the fields will not support sorting, faceting without enabling uninvertible attribute. So, my question is, can I safely set the uninvertible attribute to true for each field in the schema? I read in some articles that uninversion may cause huge memory usage that can lead to crashes during facet query processing. I do have a very large collection and many fields need to support sorting, faceting. Will it be advisable to enable uninversion? P.S.: docValues cannot be added at this moment as the cost of reindexing is too high. We can wait till solr 10 for reindex. Thanks, Sandeep
