17. 17
附:Getting Started with DBMind!
步骤序号 步骤简介 核⼼命令或⽹址 补充说明
1 前置安装(包括Prometheus以及exporters),⽤于
采集监控数据
1). 2).
https://prometheus.io/
download/
3). gs_dbmind component
opengauss_exporter ...
gs_dbmind component
reprocessing_exporter ...
1). 下载Prometheus并启动
2). 下载并启动node-exporter
3). 部署openGauss-exporter以
及reporcessing-exporter
4). 配置Prometheus,以便采
集来⾃exporter的数据
2 DBMind Service 配置初始化 gs_dbmind service setup -c
CONF_DIRECTORY --
interactive
交互式地配置数据源、数据存
放地点等信息
3 启动/关闭DBMind Service gs_dbmind service start -c
CONF_DIRECTORY
gs_dbmind service stop -c
CONF_DIRECTORY
4 查看DBMind诊断结果 gs_dbmind component
slow_query_diagnosis show ...
gs_dbmind component
forecast show ...
https://gitee.com/opengauss/openGauss-server/tree/master/src/gausskernel/dbmind
18. 18
任务 语法
训练 CREATE MODEL model_name
USING architecture_name,
[FEATURES {attribute_list},
TARGET attribute_name,
[,attribute_name]*],
FROM ([schema.]table_name |
subquery)
WITH (hyper_parameter_name [=
{hp_value}]) [, ...]*]
推测 PREDICT BY model_name
[ (FEATURES attribute [, attribute]
+]) ]
解释 EXPLAIN MODEL model
举例:
Create Model price_model using logistic_regression Features size, lot Target price < 1000 from Houses;
Select id, Predict by price_model(Features size, lot), size from houses;
附:Getting Started with DB4AI!