@Aditya Sirna I found the error... By default "hbase_regionserver_heapsize" was set to 4096m, greater than my server, therefore, regionservers were not able to start. I Changed that value to 1024 and everything went ok! "hbase_regionserver_heapsize" : "4096m", "hbase_regionserver_heapsize" : "1024", ... View more