tdngine安装

规划

主机	角色	备注
node1	master
node2	dnode
node3	dnode

下载安装包

wget https://www.taosdata.com/assets-download/TDengine-server-2.4.0.7-Linux-x64.tar.gz
tar -xvf TDengine-server-2.4.0.7-Linux-x64.tar.gz
cd tdengine
./install.sh    

配置 vim /etc/taos/taos.cfg

#serverPort                6030   默认
firstEp node1:6030   #所有的dn节点都要一致找主节点
fqdn node1
logDir /app/tdengine/logs/
dataDir /app/tdengine/data/
numOfThreadsPerCore 2.0
ratioOfQueryCores 2.0
numOfCommitThreads 4.0
minTablesPerVnode 1000
tableIncStepPerVnode 1000
minRows 100
keepColumnName 1
balance 0
blocks 6
maxSQLLength 1048576
maxNumOfOrderedRes 100000
update 1
cachelast 1
timezone Asia/Shanghai (CST, +0800)
locale en_US.UTF-8
charset UTF-8
maxShellConns 50000
maxConnections 50000
monitor 1
restfulRowLimit 10240
logKeepDays -1
debugflag 130

备注：如果dn节点加入失败，需要删除dataDir数据调整配置重新启动服务

启动服务

 systemctl start taosd

添加节点

toas  #进入sql命令模式
create dnode  'node2:6030'

启动辅助服务

 systemctl start  taosadapter

访问

 jdbc:TAOS-RS://node1:6041/

创建用户

CREATE USER weijian PASS ‘123456’
GRANT ALL ON test.* TO weijian;