Paris Redis Meetup IntroductionGregory Boissinot1.7K views•76 slides
Paris Redis Meetup IntroductionGregory Boissinot1.7K views•76 slides
Summary (TL;DR) Updated June 3rd, 2017 Redis is more powerful, more popular, and better supported than memcached. Memcached can only do a small fraction of the things Redis can do. Redis is better even where their features overlap. For anything new, use Redis. Memcached vs Redis: Direct Comparison Both tools are powerful, fast, in-memory data stores that are useful as a cache. Both can help speed
If you read the MySQL manual you might have seen the ORDER BY RAND() to randomize the the rows and using the LIMIT 1 to just take one of the rows. This example works fine and is fast if you only when let's say 1000 rows. As soon as you have 10000 rows the overhead for sorting the rows becomes important. Don't forget: we only sort to throw nearly all the rows away. I never liked it. And there are b
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