Redis vs. KeyDB — My Performance Test and Conclusions
KeyDB is a fork of Redis. The KeyDB project claims that the Redis implementation approach is not correct and can be better, in terms of performance.
redis
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Articles
Understanding Lua Scripts in Redis The Ping Pong Example
Redis has de the feature of executing Lua scripts. This post explains how Redis handles potentially dangerous Lua scripts, using a "ping-pong" example. At the first glance, the Lua script seems to be an infinite loop. However, Redis has built-in protections that recognize the recursion pattern in the script. The secure Lua environment in Redis is designed to catch and prevent such infinite loops from running. This stops the script from consuming resources endlessly, ensuring the stability and security of the system. Redis enforces a read-only table restriction in this context, which prevents modifications that could lead to uncontrolled recursion.