Redis is quite a versatile NoSQL, key-value database. Or in-memory cache. Or pub/sub broker. With transactions, stored procedures and fast replication. It’s quite universal. Anyway, the main use-case for Redis is caching. Internally the whole dataset must fit in memory. Redis can optionally persist data on disk, but all online operations happen entirely in memory. This makes Redis extremely fast. It’s often used as an alternative to the widespread Memcached server.
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Around IT in 256 seconds
Podcast for developers, testers, SREs... and their managers. I explain complex and convoluted technologies in a clear way, avoiding buzzwords and hype. Never longer than 4 minutes and 16 seconds. Because software development does not require hours of lectures, dev advocates' slide decks and hand waving. For those of you, who want to combat FOMO, while brushing your teeth. 256 seconds is plenty of time. If I can't explain something within this time frame, it's either too complex, or I don't understand it myself.
By Tomasz Nurkiewicz. Java Champion, CTO, trainer, O'Reilly author, blogger
Technologia