MySQL Monitoring

Key MySQL commands and data sources for effective database monitoring.

Status

SHOW STATUS command providing server status counters.

Variables

SHOW VARIABLES command providing server configuration.

InnoDB Status

SHOW ENGINE INNODB STATUS output details.

Processlist

SHOW PROCESSLIST for active connections and queries.

Master Status

Binary log details for replication monitoring.

Slave Status

Replication slave thread status and health.

Mutex

InnoDB mutex and lock monitoring.

INFORMATION_SCHEMA

Metadata tables for database introspection.

Memory Usage

MySQL server memory allocation and usage.

Error Log

MySQL error log monitoring and analysis.

Slow Log

Slow query log for performance optimization.

MariaDB Performance

MariaDB performance tuning guide.