wehub-resource-sync
61 lines
4.8 KiB
Markdown
61 lines
4.8 KiB
Markdown
---
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id: mysql
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title: Monitoring：MySQL database monitoring
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sidebar_label: MySQL database
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keywords: [open source monitoring tool, open source database monitoring tool, monitoring mysql database metrics]
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---
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> Collect and monitor the general performance Metrics of MySQL database. Support MYSQL5+.
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## Attention, Need Add MYSQL jdbc driver jar
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- Download the MYSQL jdbc driver jar package, such as mysql-connector-java-8.4.0.jar. [https://mvnrepository.com/artifact/com.mysql/mysql-connector-j/8.4.0](https://mvnrepository.com/artifact/com.mysql/mysql-connector-j/8.4.0)
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- It is recommended that you use the latest available mysql-connector-java version as there are regular security fixes to JDBC drivers.
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- Copy the jar package to the `hertzbeat/ext-lib` directory.
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- Restart the HertzBeat service.
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### Configuration parameter
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| Parameter name | Parameter help description |
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|---------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| Monitoring Host | Monitored IPV4, IPV6 or domain name. Note⚠️Without protocol header (eg: https://, http://) |
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| Monitoring name | Identify the name of this monitoring. The name needs to be unique |
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| Port | Port provided by the database. The default is 3306 |
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| Query timeout | Set the timeout time when SQL query does not respond to data, unit: ms, default: 3000ms |
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| Database name | Database instance name, optional |
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| Username | Database connection user name, optional |
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| Password | Database connection password, optional |
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| URL | Database connection URL，optional，If configured, the database name, user name, password and other parameters in the URL will overwrite the above configured parameters |
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| Collection interval | Interval time of monitor periodic data collection, unit: second, and 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. Adding and modifying operations will continue only after the detection is successful |
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| Description remarks | For more information about identifying and describing this monitoring, users can note information here |
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### Collection Metric
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#### Metric set：basic
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| Metric name | Metric unit | Metric help description |
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|-----------------|-------------|------------------------------------|
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| version | none | Database version |
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| port | none | Database exposure service port |
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| datadir | none | Database storage data disk address |
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| max_connections | none | Database maximum connections |
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#### Metric set：status
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| Metric name | Metric unit | Metric help description |
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|-------------------|-------------|----------------------------------|
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| threads_created | none | MySql created total connections |
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| threads_connected | none | MySql connected connections |
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| threads_cached | none | MySql current cached connections |
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| threads_running | none | MySql current active connections |
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#### Metric set：innodb
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| Metric name | Metric unit | Metric help description |
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|---------------------|-------------|------------------------------------------------------|
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| innodb_data_reads | none | innodb average number of reads from files per second |
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| innodb_data_writes | none | innodb average number of writes from file per second |
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| innodb_data_read | KB | innodb average amount of data read per second |
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| innodb_data_written | KB | innodb average amount of data written per second |
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