Apache Solr™ and Apache Lucene™ limitations

Apache Solr and Lucene limitations apply to DSE Search. For example:

The 2.1 billion records limitation, per index on each node, as described in Lucene limitations.
The 1024 maxBoolean clause limit in SOLR-4586.
Solr field name policy applies to the indexed field names:
- Every field must have a name.
- Field names must consist of alphanumeric or underscore characters only.
- Fields cannot start with a digit.
- Names with both leading and trailing underscores (for example, version) are reserved.
  
  Non-compliant field names are not supported from all components. Backward compatibility is not guaranteed.
Limitations and known Apache Solr issues apply to DSE Search queries. For example: incorrect SORT results for tokenized text fields.

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