You're probably looking at two custom components. To get started, look
in solrconfig.xml
for first-component and last-component. BTW, writing custom components isn't
all that hard once you get to the place to start...
Anyway, your first component reaches out to your other data source and
"does the
Ok., my case is like this: I have Solr index with some documents that must
be left intact. I also need to store somewhere else some data related to
documents in Solr (it can be SQL database or another Solr core).
In other words - I need to have some data stored independently to main Solr
index (fo
