Hello, We are running Solr cloud with 3 nodes v. 6.6.2 We started with version 5 so we have some old index that we need safely move over to v. 7 now. New data comes in several times per day. Our questions are:
Should we run IndexUpgrader tool on one slave node that is down or it is safe to run it while Solr is running and possible updates of the index are coming? If yes, when we start it again will leader update this node with new data only or will it overwrite index? Best Regards, Artjoms Laivins
