MySQL Database Optimization

Last updated: March 23, 2026 · 2 min read

Database Work

MySQL Database Optimization

A slow database hides well until it doesn’t. Queries that take 200ms instead of 20ms cause no visible problems until traffic increases, a scheduled job fires at peak load, or an admin action triggers a full-table scan on a 2 million row table. By the time the site is visibly slow, the root cause is already deeply embedded in the query patterns and schema.

Database optimization is investigative work first. We use query logs, EXPLAIN analysis, and profiling tools to identify what’s actually slow and why – then fix the right things rather than adding caching over a bad query and calling it done.

Slow query log analysis and EXPLAIN review
Index strategy (add, remove, covering indexes)
Query rewriting for inefficient patterns
MySQL/MariaDB configuration tuning
WordPress postmeta, autoload, and transient cleanup
Written findings report with before/after data

Database performance becoming a problem?

[mmedia_services_wizard id=”mysql-database-optimization”]

How it works
Step 1
Diagnostics

Enable slow query log, baseline current performance, identify the actual worst offenders by frequency and cumulative impact.

Step 2
EXPLAIN analysis

Review query execution plans, identify full table scans, understand how MySQL is actually running the worst queries.

Step 3
Optimization work

Index changes (staging or maintenance window on large tables), query rewrites, MySQL configuration adjustments.

Step 4
Report and measure

Before/after performance data on affected queries. Additional findings documented for future work – not added to scope without discussion.

Prerequisites

Slow query log access (or ability to enable it), and either a staging environment or a maintenance window for index changes on large tables. We work with MySQL 5.7, 8.0, and MariaDB. WP-CLI access accelerates the diagnostic phase for WordPress databases.

Why M Media
Investigative first

We identify what’s actually slow before we fix anything – not generic “add an index” recommendations.

Not just caching

We fix the query, not just add a caching layer over it. The root cause gets addressed.

WordPress-specific knowledge

Postmeta query patterns, wp_options autoload bloat, transient accumulation – we know the common WordPress database issues.

Configuration tuning

innodb_buffer_pool_size and server-level settings adjusted for your actual workload, not a default template.

Before/after measurement

Performance data on affected queries is measured and reported – you can see exactly what changed.

Scoped work

Findings outside original scope are documented for future work – not quietly added to the engagement.

← Back to Database Work

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