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Showing entries 1 to 4

Displaying posts with tag: Drupal performance (reset)

Drupal in the cloud
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Topic: DrupalOpinionDrupal performanceThe futureMySQL

It is not always easy to scale Drupal -- not because Drupal sucks, but simply because scaling the LAMP stack (including Drupal) takes no small amount of skill. You need to buy the right hardware, install …

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Database replication lag
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Topic: DrupalDrupal performanceMySQL

As explained in an earlier blog post, we recently started using MySQL master-slave replication on drupal.org in order to provide the scalability necessary to accommodate our growing demands. With one or more replicas of our database, we can instruct Drupal to distribute or load balance the SQL workload among different …

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Scaling with MySQL replication
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Topic: DrupalDrupal performanceMySQL

To deal with Drupal's growth, we're adding a second database server to drupal.org which is useful for at least two reasons. First, we'll be able to handle more SQL queries as we can distribute them between multiple database servers (load balancing). Secondly, this new server can act as a "hot spare" that can immediately take over if the other database server fails (high …

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Drupal's database interaction
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Topic: DrupalDrupal performanceStatisticsMySQL

I used XDebug to profile the behavior of Drupal, and to study the interaction with the database server. I aggregated the profile information of 100 requests to the main page using the "Apache, mod_php, PHP4, APC" configuration used for …

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Showing entries 1 to 4

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