Memcached
Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering.
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Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering.
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Redis is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, sorted sets, bitmaps and hyperloglogs.
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Engineered to meet the elastic scalability, consistent high performance, always-on availability, and data mobility requirements of mission critical applications.
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APC(u) is a free and open opcode cache for PHP. Its goal is to provide a free, open, and robust framework for caching and optimizing PHP intermediate code.
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MySQL is the world's most popular open source database. MySQL can cost-effectively help you deliver high performance, scalable database applications.
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SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.
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PostgreSQL has a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness.
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While it's not the fastest kind of cache in terms of I/O access times, opening a file usually still beats redoing expensive computations.
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PHP can keep data in memory, too! PHP arrays as storage are particularly useful to run tests against, since you don't have to install any other service.
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