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Laravel Performance package

This performance package (currently) contains two configurable performance related features which you can use to identify potential slow parts in your application:

• Slow query logging
• Force eager loading (use in development!)

Include the package

For dev-only (be sure to read the note below) use:

composer require --dev wedesignit/laravel-performance

!! Note that if you use the ContainsUnEagerLoadableRelations trait in your code, this will cause errors in production. You might want to require the package (without --dev) !!

For using it on other environments too:

composer require wedesignit/laravel-performance

Publishing the config

php artisan vendor:publish --provider="WeDesignIt\LaravelPerformance\Providers\LaravelPerformanceServiceProvider" --tag="config"

Slow query logging

config

The package can log slow queries. To do this, either

• enable this in the config or
• set an environment key ENABLE_SLOW_QUERY_LOGGING=true

Then, configure the threshold: this is the amount of milliseconds after which you consider a query to be "slow"

logging

The package will look for a query channel for logging. You can create your own channel called query in config/logging.php to define where you want the slow queries to be logged. If you don't define it, the query channel will be temporarily created using the following config:

This means: by default the slow queries will be logged in a query.log file prefixed with date (due to the daily driver) and kept for 2 days, in the (default) logs folder storage/app/logs.

what's being logged

The following details are logged per entry:

• SQL
• Query bindings
• Time took
• The file with the code that triggered the query
• The line in the file on which the code is

Force eager loading

Eager loading relationships can greatly speed up your application by eliminating subsequent queries. By enabling forced eager loading, an exception will be thrown when a relationship is not eager loaded so you can decide if it's right to eager load that relationship.

Note: forced eager loading will NOT be enabled in production!

config

To enable this feature:

• enable this in the config or
• set an environment key ENABLE_FORCED_EAGER_LOADING=true

After this, pages or code which use a not-eager-loaded relationship will throw an Exception telling you which relationship wasn't eager loaded on which model.

UnEagerLoadableRelations

Some relationships should not be eager loaded, but would also yield an Exception according to the above setting. If a model contains one or more relationships that cannot or should not be eager loaded, use the ContainsUnEagerLoadableRelations trait.

Then, use a property array $without on the Model(s) using the trait to prevent the relations in the $without from throwing eager loading exceptions.