Index Sorting: the full picture (SOLR-15390/13681/12239/17310/12230) — for review, happy to split#4648

serhiy-bzhezytskyy wants to merge 9 commits into

apache:mainapache/solr:mainfrom

serhiy-bzhezytskyy:index-sorting-all-in-oneserhiy-bzhezytskyy/solr:index-sorting-all-in-oneCopy head branch name to clipboard