wehub-resource-sync
49 lines
3.8 KiB
Markdown
49 lines
3.8 KiB
Markdown
---
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id: dm
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title: Monitoring DM database
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sidebar_label: DM Database
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keywords: [open source monitoring tool, open source database monitoring tool, monitoring DM database metrics]
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---
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> Collect and monitor the general performance metrics of the DM database. DM8+ is supported.
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## Configuration parameters
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| Parameter name | Parameter help description |
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|---------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| Monitor Host | Monitored peer IPV4, IPV6 or domain name. Note ⚠️ without protocol headers (eg: https://, http://). |
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| Monitor Name | Identifies the name of this monitor. The name needs to be unique. |
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| Port | The port provided by the database externally, the default is 5236. |
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| Query Timeout | Set the timeout when the SQL query does not respond to data, in ms milliseconds, the default is 3000 milliseconds. |
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| database name | database instance name, optional. |
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| username | database connection username, optional |
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| password | database connection password, optional |
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| URL | Database connection URL, optional |
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| Collection Interval | Monitor periodical collection data interval, in seconds, the minimum interval that can be set is 30 seconds |
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| 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 |
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| Description Remarks | More remarks that identify and describe this monitoring, users can remark information here |
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### Collect metrics
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#### Metric collection: basic
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| Metric Name | Metric Unit | Metric Help Description |
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|--------------|-------------|-------------------------------|
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| PORT_NUM | None | Database exposed service port |
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| CTL_PATH | None | Control File Path |
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| MAX_SESSIONS | None | Maximum database connections |
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#### Metric collection: status
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| Metric Name | Metric Unit | Metric Help Description |
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|-------------|-------------|----------------------------------|
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| status$ | None | Open/Close status of DM database |
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#### Metric collection: thread
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| Metric Name | Metric Unit | Metric Help Description |
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|-------------|-------------|-------------------------------------------------------------------------|
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| dm_sql_thd | None | Thread for writing dmsql dmserver |
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| dm_io_thd | None | IO threads, controlled by IO_THR_GROUPS parameter, default is 2 threads |
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| dm_quit_thd | None | Thread used to perform a graceful shutdown of the database |
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