Stack
Our Stack
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The Invotra technology stack brings together the best technologies to provide a fast, scalable and flexible service. Â
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Web Caching Layer
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Varnish is a modern reverse proxy cache software package. We use it to cache web requests so that user requests are served as quickly as possible.  Â
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Web Server Layer
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At the core of our product, we use Drupal which is an open-source content management system. We use Drupal for a number of reasons including reliability, extensibility, security, it is highly secure with a very active security team who are part of the 100,000 plus people who actively contribute to the Drupal project. Â
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Search engine
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We use the open-source Apache Solr as our search engine, offering full-text search, faceted search, and near real-time indexing, Apache Solr can also be integrated with a huge variety of business applications.
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Application Caching Layer
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Memcached is an open-source, high-performance, distributed memory object caching system that we use to serve user requests as fast as possible. Â
Redis is an open-source, in-memory data structure store, that is used for storing user sessions and for our notifications backend. Â
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DatabaseÂ
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We use AWS RDS as the service for our relational databases. The RDS instances use MariaDB as the database engine, and each instance has a Multi-AZ setup with automatic Failover in the event of an issue.
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