Amazon uses Xeon servers for EC2 m1.large instances - please confirm

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27 May 2009 07:05

I was surprised today to launch a new EC2 instance, type m1.large (64-bit, 7.5 GB RAM), which usually runs on Opteron CPUs, but to my surprise cat /proc/cpuinfo produces:

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6144 KB
model           : 23
model name    : Intel(R) Xeon(R) CPU           E5430  @ 2.66GHz
stepping    : 6
cpu MHz        : 2659.998
cache size    : 6144 KB
physical id    : 0
siblings    : 1
core id        : 0
cpu cores    : 1
fpu        : yes
fpu_exception    : yes
cpuid level    : 10
wp        : yes
flags        : fpu tsc msr pae mce cx8 apic mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips    : 5323.56
clflush size    : 64
cache_alignment    : 64
address sizes    : 38 bits physical, 48 bits virtual
power management:

processor    : 1
vendor_id    : GenuineIntel
cpu family    : 6
model        : 23
model name    : Intel(R) Xeon(R) CPU           E5430  @ 2.66GHz
stepping    : 6
cpu MHz        : 2659.998
cache size    : 6144 KB
physical id    : 1
siblings    : 1
core id        : 0
cpu cores    : 1
fpu        : yes
fpu_exception    : yes
cpuid level    : 10
wp        : yes
flags        : fpu tsc msr pae mce cx8 apic mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc up pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips    : 5323.56
clflush size    : 64
cache_alignment    : 64
address sizes    : 38 bits physical, 48 bits virtual
power management:

The availability zone is: us-east-1c.

Is Amazon moving away from Opteron-based servers? I hope so. Xeon machines so far provide better performance, so I guess they decided to expand their farm with those. Great move!

I could not find any confirmation or other reports on the subject, so please confirm!


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