TL;DR: Cassandra Java Huge PagesMany applications seem to be having trouble with a Linux feature called "Transparent Hugepages". When enabled, the Linux kernel will try to allocate memory in bigger chunks - typically 2MB - rather than 4K at a time. This can impact performance by reducing the load on CPU caches (TLB) used for managing ranges of addresses. As you can imagine, managing memory on a 128GB machine in 4KB pages require
