With the following spec for CPU and Memory can someone help me guesstimating how many simultaneous calls and Calls/sec a FS server can handle - Used as a Conferencing Server. cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Pentium(R) 4 CPU 2.80GHz stepping : 1 cpu MHz : 2800.386 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 5604.12 processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Pentium(R) 4 CPU 2.80GHz stepping : 1 cpu MHz : 2800.386 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 5600.22 # cat /proc/meminfo MemTotal: 1035080 kB MemFree: 517972 kB Buffers: 85812 kB Cached: 271264 kB SwapCached: 0 kB Active: 224292 kB Inactive: 223008 kB HighTotal: 130816 kB HighFree: 29484 kB LowTotal: 904264 kB LowFree: 488488 kB SwapTotal: 2031608 kB SwapFree: 2031520 kB Dirty: 80 kB Writeback: 0 kB AnonPages: 90172 kB Mapped: 39880 kB Slab: 60060 kB PageTables: 3232 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 2549148 kB Committed_AS: 345780 kB VmallocTotal: 114680 kB VmallocUsed: 3584 kB VmallocChunk: 110888 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 Hugepagesize: 4096 kB