Explore performance_schema in MariaDB Server. This system database provides detailed, low-level insights into server execution, helping you diagnose performance bottlenecks and optimize your database.
Statement digests aggregate statistics for similar queries by removing specific data values, allowing you to identify performance patterns across statement types.
The Performance Schema is a feature for monitoring server performance that inspects internal execution details at a low level with minimal overhead.
This page lists status variables that track the internal health of the Performance Schema, such as counters for lost events due to memory constraints.
Configure the Performance Schema using these system variables to control buffer sizes, set instrumentation limits, and enable specific consumers at startup.
Explore the tables in the performance_schema database, which expose granular metrics on server events, locks, threads, and I/O for detailed performance analysis.
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