Installation of ScyllaDB1.6 under centos7.3

ScyllaDB installation configuration 1. Description: scylladb supports centos7.2 64-bit and above related information: http://docs.scylladb.com/getting-started/centos_rpm/#2. Install sudo yum remove-y abrtsudo yum install epel-release wgetsudo wget-O / etc/yum.repos.d/scylla.repo http://downloads.scylladb.com/rpm/centos/scylla-1.6.reposudo yum install scyllasudo scylla_setupDo you want to run kernel version check? [YES/no] yesDo you verify ScyllaDB packages installed? [YES/no] yesDo you want to enable ScyllaDB services? [YES/no] no / / does the configuration service boot Do you want to disable SELinux? [YES/ No] yesDo you want to setup bootloader options? [YES/no] yesDo you want to setup NTP? [YES/no] noDo you want to setup RAID and XFS? [YES/no] yes / / whether to configure a separate XFS partition as RAID # when testing, you can choose no > / dev/sdb1 / dev/sda1 / dev/sdb type 'done' to finish selection. Selected: / dev/sdb > doneDo you want to setup coredump? [YES/no] yesDo you want to setup sysconfig? [YES/no] yes > eth2 / / this network port will be taken over by DPDK. Do you want to optimize NIC queue settings?Do you want to setup IO configuration? [YES/no] yes Do you want to install node exporter, that exports prometheus data from the node? [YES/no] yesScyllaDB setup finished. Startup service: sudo systemctl start scylla-server.service View: nodetool status enters database environment: cqlsh### operation: keyspace has two strategies: create KEYSPACE rootdata2 WITH replication = {'class':' SimpleStrategy', 'replication_factor': 2} # replication policy: SimpleStrategy, redundant 2 data: CREATE KEYSPACE rootdata2 WITH REPLICATION = {'class':' NetworkTopologyStrategy', 'dc1': 3}; # replication policy: NetworkTopologyStrategy, redundant 3 data (configuration available) View key:describe rootdata2; create table using rootdata2: use rootdata2;create table blog (id timeuuid, title text, content text, tags list, category text, primary key (id)) INSERT INTO blog (id, title, tags) VALUES (now (), 'cassandra table test', [' cassandra','table']); INSERT INTO blog (id, title, tags) VALUES (now (), 'cassandra table test', [' cassandra','table']) USING TTL 222; delete a single keyspace:drop keyspace rootdata # # #