Partial updates is nothing as clever as I may have made it sound, it is just
changing a record value , for example last name from Smith to Jones, that's
my partial update.
No errors at all in indexing, I have not yet checked the logs , but the DIH
output counts show no errors, here is an example
Our document ID's are most definately distinct and there are partial updates
to existing records, I have run SQL queries outside of SOLR to validate
records going in and only about 1% are updates to existing records. There
are no deletes underway every day new records are added or updated. Example