> The JVM world tends to solve this problem by using off-heap caches. See Apache Ignite [0] or Ehcache [1]. Yeah, but I really do not bite your argument. When

> The JVM world tends to solve this problem by using off-heap caches. See Apache Ignite [0] or Ehcache [1]. Yeah, but I really do not bite your argument. When you are reduced to do manual memory management and fight the GC of your language, maybe you should simply not use a language with GC in the first place. They are right to use rust ( or C/C++) for that. It's not for nothing that redis (C) is so successful in the LRU domain. > It's worth mentioning that Apache Cassandra itself uses an off-heap cache. And still ScyllaDB (C++) is able to completely destroy Cassandra in term of AVG latency [0] [0]: https://www.scylladb.com/product/benchmarks/ https://www.scylladb.com/product/benchmarks/