centos7.3下ScyllaDB1.6安装-创新互联
ScyllaDB 安装配置
1.说明：
scylladb支持centos7.2 64位 及以上版本
相关信息：http://docs.scylladb.com/getting-started/centos_rpm/#
2.安装
sudo yum remove -y abrt
sudo yum install epel-release wget
sudo wget -O /etc/yum.repos.d/scylla.repo http://downloads.scylladb.com/rpm/centos/scylla-1.6.repo
sudo yum install scylla
sudo scylla_setup
Do you want to run kernel version check?
[YES/no]yes
Do you verify ScyllaDB packages installed?
[YES/no]yes
Do you want to enable ScyllaDB services?
[YES/no]no //这一步配置服务是否开机启动
Do you want to disable SELinux?
[YES/no]yes
Do you want to setup bootloader options?
[YES/no]yes
Do you want to setup NTP?
[YES/no]no
Do you want to setup RAID and XFS?
[YES/no]yes //是否配置单独的XFS分区作为RAID #测试时可以选no
> /dev/sdb1
/dev/sda1 /dev/sdb type ‘done’ to finish selection. selected: /dev/sdb
> done
Do you want to setup coredump?
[YES/no]yes
Do you want to setup sysconfig?
[YES/no]yes
> eth2 //这个网口将被DPDK接管
。
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]yes
ScyllaDB setup finished.
启动服务：sudo systemctl start scylla-server.service
查看：nodetool status
进入数据库环境：cqlsh
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操作：
keyspace有两种策略：
create KEYSPACE rootdata2 WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 2}; #复制策略：SimpleStrategy,冗余2份数据:
CREATE KEYSPACE rootdata2 WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'dc1' :3 }; #复制策略：NetworkTopologyStrategy,冗余3份数据（配置可用）
查看key：
describe rootdata2;
使用rootdata2创建表：
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;
删除单个keyspace：
drop keyspace rootdata;
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