MySQL OptimizationMarko Novaković

MySQL Optimization

Query Optimization

Database Model

MySQL Configuration

Hardware Issues

Query Optimization

Queries that don't use indexes.

Queries that use SELECT *.

Queries that search full-text fields.

Queries that are not properly limited.

Queries that use ORDER BY unnecessarily.

Insert, update and delete optimization.

Database Model

All tables should have primary keys.

Database should be properly normalized.

Using simpler permissions.

Using char and md5 instead blob.

Do not split columns in more tables.

Specify column if not null and add defaults.

MySQL Configuration

skip-name-resolve

query_cache_size = 16M

log-slow-queries=/var/log/slowqueries.log

MySQL Tuner

Hardware Issues

Number of hard drives / RAID.

RAM memory makes bigger cache.

CPU

Replication

Partitioning

Questions?email: atisha34@gmail.com

Thank You!