This is now also available here github.com/sharkcz/collectl.git
Collectl is a light-weight performance monitoring tool capable of reporting interactively as well as logging to disk. It reports statistics on cpu, disk, infiniband, lustre, memory, network, nfs, process, quadrics, slabs and more in easy to read format.
As of now, you can get Ehcache only from ehcache.org or Maven central.
A simple, fast, thread safe, standards based cache for Java, and provides memory and disk stores and distributed operation for clusters. ehcache is widely used in such open source projects as Hibernate and Spring. Terracotta offers enterprise edition
Flared is Yet Another Memcached (but disk based). This software provides high-performance, distributed and fault tolerant objectstorage system w/ almost-memcached-compatible I/O interfaces.
This software (written in C using Glib/Gtk+) allows you to set up a High-Availability fault tolerant cluster, for Linux, Solaris, and other UX systems. It includes heartbeat mechanism (network and/or disk), a monitoring process.