Stop Solr. Then use zkcli - https://cwiki.apache.org/confluence/display/solr/Command+Line+Utilities You want to first do getfile for state.json, then modify it, then putfile to upload it again. Start Solr
-- Jan Høydahl, search solution architect Cominvent AS - www.cominvent.com > 17. nov. 2015 kl. 09.36 skrev kiyer_adobe <ikan...@hotmail.com>: > > Thanks Emir. How do I update the cluster state in zk? Is there an API for it? > > > > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Undo-Split-Shard-tp4240508p4240523.html > Sent from the Solr - User mailing list archive at Nabble.com.