SkyWalking leverages prometheus/mysqld_exporter for collecting metrics data from MySQL. It leverages OpenTelemetry Collector to transfer the metrics to OpenTelemetry receiver and into the Meter System.
MySQL monitoring provides monitoring of the status and resources of the MySQL server. MySQL server as a Service
in OAP, and land on the Layer: MYSQL
.
Monitoring Panel | Unit | Metric Name | Description | Data Source |
---|---|---|---|---|
MySQL Uptime | day | meter_mysql_uptime | The MySQL startup time | mysqld_exporter |
Max Connections | meter_mysql_max_connections | The max number of connections. | mysqld_exporter | |
Innodb Buffer Pool Size | MB | meter_mysql_innodb_buffer_pool_size | The buffer pool size in Innodb engine | mysqld_exporter |
Thread Cache Size | meter_mysql_thread_cache_size | The size of thread cache | mysqld_exporter | |
Current QPS | meter_mysql_qps | Queries Per Second | mysqld_exporter | |
Current TPS | meter_mysql_tps | Transactions Per Second | mysqld_exporter | |
Commands Rate | meter_mysql_commands_insert_rate meter_mysql_commands_select_rate meter_mysql_commands_delete_rate meter_mysql_commands_update_rate | The rate of total number of insert/select/delete/update executed by the current server | mysqld_exporter | |
Threads | meter_mysql_threads_connected meter_mysql_threads_created meter_mysql_threads_cached meter_mysql_threads_running | The number of currently open connections(threads_connected) The number of threads created(threads_created) The number of threads in the thread cache(threads_cached) The number of threads that are not sleeping(threads_running) | mysqld_exporter | |
Connects | meter_mysql_connects_available meter_mysql_connects_aborted | The number of available connections(connects_available) The number of MySQL instance connection rejections(connects_aborted) | mysqld_exporter | |
Connection Errors | meter_mysql_connection_errors_internal meter_mysql_connection_errors_max_connections | Errors due to exceeding the max_connections(connection_errors_max_connections) Error caused by internal system(connection_errors_internal) | mysqld_exporter | |
Slow Queries Rate | meter_mysql_slow_queries_rate | The rate of slow queries | mysqld_exporter |
You can customize your own metrics/expression/dashboard panel.
The metrics definition and expression rules are found in /config/otel-oc-rules/mysql.yaml
.
The MySQL dashboard panel configurations are found in /config/ui-initialized-templates/mysql
.