
- Proxy doesn't do well, if preferredRecordSyntax is not set.

- Per database config.

- More control the various optimizations with config..
  query match
  record caching
  fix-up reference ID
  pre-init
  keepalive

- Live status (via search, present).

- Possible threading.

- Honor record XPath.

- Character set negotiation.

- Character set conversion for SRW queries.

- MARC in UTF-8.

- Auto generate Explain indexInfo from cql.properties .. Or generate
  cql.properties from Explain (to reduce duplicate info).

