Chapter 9. System Requirements For Red5

Supported operating systems Windows 2000 Server \\ Windows 2003 Server, Standard Edition \\ Linux Variants \\ Mac OSX 10.4 and above
Minimum Hardware Requirements (Development / Budget / Low Traffic) X86-compatible CPU (Pentium 4, 3.2 GHz or better, Intel Duo Core 2, PentiumD) \\ 1 GB Available Memory \\ 100MB or 1GB Ethernet card \\ 200 MB of available disk space (SATA II)
Recommended Hardware Requirements (High Traffic Production) Dual-core / Quad Core (Intel XEON 2Ghz and above, Opteron 2Ghz and above) \\ 2 - 4 GB Available memory or above \\ 1GB Ethernet Card with big pipe network \\ 200 MB of available disk space (10K RPM and above SATA II \ SCSI RAID 1-5) \\ Network Storage Cluster Solution for mass content storage (ie Isolon, Dell MD1000)
Software Requirements Java JRE 1.5 or 1.6 \\ Service Scripts (Java Service Wrapper, FireDaemon Pro)

9.1. Java Memory Tweaking