When I check my Solr Admin Page: Replication (Master) Version Gen Size Master: 1365458125729 5 18.24 MB
It is a one shard one computer. What is that 18.24 MB. Does it contains just indexes or indexes, highlights etc. etc.? My solr home folder was 512.7 KB and it has become 22860 KB that is why I ask this question.
