Hi, I just want to clear few things. As far as I know, javabin is the default format used by SolrJ while searching. And for update requests default format is XML; XMLUpdateRequestHandler is used. If we set the request writer to BinaryRequestWriter then update request is in javabin format and BinaryUpdateRequestHandler is used. BinaryRequestWriter is supposed to be fast and efficient. After SOLR-973 update request is still in XML format, but the XML is directly written to the server. Please correct me if I am wrong about the default behavior. Also, please let me know which one would be better in performance, XMLUpdateRequestHandler or BinaryUpdateRequestHandler?
Thanks, Siddharth