#Laravel drivers#
#Laravel driver#

There is no need to do any serialization or other encoding when retrieving or storing session data in your driver, as Laravel will perform the serialization for you. The read method should return the string version of the session data associated with the given $sessionId.The close method, like the open method, can also usually be disregarded.Since Laravel ships with a file session driver, you will rarely need to put anything in this method. The open method would typically be used in file based session store systems.While this lock is being held, any incoming requests to the /profile or /order endpoints which share the same session ID will wait for the first request to finish executing before continuing their execution: In this example, an incoming request to the /profile endpoint would acquire a session lock. To get started, you may simply chain the block method onto your route definition. To mitigate this, Laravel provides functionality that allows you to limit concurrent requests for a given session. For many applications, this is not a problem however, session data loss can occur in a small subset of applications that make concurrent requests to two different application endpoints which both write data to the session. So, for example, if you use a JavaScript HTTP library to make two HTTP requests to your application, they will both execute at the same time. In addition, you may not use the cookie session driver.īy default, Laravel allows requests using the same session to execute concurrently.

#Laravel drivers#

Currently, those cache drivers include the memcached, dynamodb, redis, and database drivers.

#Laravel driver#

To utilize session blocking, your application must be using a cache driver that supports atomic locks. Laravel ships with several great drivers out of the box: The session driver configuration option defines where session data will be stored for each request. If your application will be load balanced across multiple web servers, you should choose a centralized store that all servers can access, such as Redis or a database. By default, Laravel is configured to use the file session driver, which will work well for many applications. Be sure to review the options available to you in this file. Your application's session configuration file is stored at config/session.php. Support for popular backends such as Memcached, Redis, and databases is included. Laravel ships with a variety of session backends that are accessed through an expressive, unified API. That user information is typically placed in a persistent store / backend that can be accessed from subsequent requests. If a job is processing for longer than the number of seconds specified by the timeout value, the worker processing the job will exit with an error.Since HTTP driven applications are stateless, sessions provide a way to store information about the user across multiple requests. The queue:work Artisan command exposes a -timeout option. SQS will retry the job based on the Default Visibility Timeout which is managed within the AWS console. The only queue connection which does not contain a retry_after value is Amazon SQS. A null queue driver is also included which discards queued jobs. In this file, you will find connection configurations for each of the queue drivers that are included with the framework, including the database, Amazon SQS, Redis, and Beanstalkd drivers, as well as a synchronous driver that will execute jobs immediately (for use during local development). Laravel's queue configuration options are stored in your application's config/queue.php configuration file. Laravel queues provide a unified queueing API across a variety of different queue backends, such as Amazon SQS, Redis, or even a relational database. By moving time intensive tasks to a queue, your application can respond to web requests with blazing speed and provide a better user experience to your customers. Thankfully, Laravel allows you to easily create queued jobs that may be processed in the background. While building your web application, you may have some tasks, such as parsing and storing an uploaded CSV file, that take too long to perform during a typical web request.

Specifying Max Job Attempts / Timeout Values.