home/versioned_docs/version-1.6.x/help/dm.md
Collect and monitor the general performance metrics of the DM database. DM8+ is supported.
| Parameter name | Parameter help description |
|---|---|
| Monitor Host | Monitored peer IPV4, IPV6 or domain name. Note ⚠️ without protocol headers (eg: https://, http://). |
| Monitor Name | Identifies the name of this monitor. The name needs to be unique. |
| Port | The port provided by the database externally, the default is 5236. |
| Query Timeout | Set the timeout when the SQL query does not respond to data, in ms milliseconds, the default is 3000 milliseconds. |
| database name | database instance name, optional. |
| username | database connection username, optional |
| password | database connection password, optional |
| URL | Database connection URL, optional |
| Collection Interval | Monitor periodical collection data interval, in seconds, the minimum interval that can be set is 30 seconds |
| Whether to detect | Whether to detect and check the availability of monitoring before adding monitoring, and then continue to add and modify operations if the detection is successful |
| Description Remarks | More remarks that identify and describe this monitoring, users can remark information here |
| Metric Name | Metric Unit | Metric Help Description |
|---|---|---|
| PORT_NUM | None | Database exposed service port |
| CTL_PATH | None | Control File Path |
| MAX_SESSIONS | None | Maximum database connections |
| Metric Name | Metric Unit | Metric Help Description |
|---|---|---|
| status$ | None | Open/Close status of DM database |
| Metric Name | Metric Unit | Metric Help Description |
|---|---|---|
| dm_sql_thd | None | Thread for writing dmsql dmserver |
| dm_io_thd | None | IO threads, controlled by IO_THR_GROUPS parameter, default is 2 threads |
| dm_quit_thd | None | Thread used to perform a graceful shutdown of the database |