No matter how you choose to import data, there is a final configuration point within Solr that allows manipulation of the imported data before it gets indexed. The Solr request handlers that update data put documents on an update request processor chain
. If you search
updateRequestProcessorChain then you'll see an example.
You can specify which chain to use on the update request with the
update.chain parameter (formerly
update.processor prior to Solr 3.2). It could be useful, but you'll probably always use one chain. If no chain is specified, you get a default chain of
. The following are the possible update request processors to choose from. ...