scientific linux系统规格

opennewlife

System Configuration Limits
This table will help you know what the current limits are for the different distributions.
  
S.L. 3.0.8
S.L. 4.4
Architecture support
Supports x86 systems
Yes
Yes
Supports AMD64/EM64T systems
Yes
Yes
Technology limits
Maximum logical CPUs
(1)



x86
16
32
(2)

AMD64/EM64T
8
64/64
Maximum memory


x86
(3)

64GB
64GB
AMD64/EM64T
128GB
128GB/1TB
Maximum filesize
2TB
8TB
Maximum filesystem size (Ext3)
2TB
8TB
Maximum x86 per-process virtual address space
Approx 4GB
Approx 4GB
Kernel & OS features
Kernel foundation
Linux 2.4.21
Linux 2.6.9
Compiler/toolchain
GCC 3.2
GCC 3.4
Languages supported
10
15
Selectable I/O schedulers
No
Yes
Internet/Intranet Input Method support
No
Yes
Sys_epoll support
No
Yes
SELinux
No
Yes
Ext3 Performance Enhancements
No
Yes
SCTP support
No
Yes
Bluetooth support
No
Yes
GCC Buffer Bound Checking
No
Yes
Glibc Memory Corruption Checking
No
Yes
Exec Shield, PIE, NX/XD support
Yes
Yes
Native POSIX Threading Library
Yes
Yes
Hyperthreading scheduler
Yes
Yes
Autofs V4
Yes
Yes
Logical Volume Manager
Yes - LVM1
Yes - LVM2
Reverse Map VM
Yes
Yes - enhanced
Auditing
Yes - LAus
Yes - audit
Compatibility libraries
Yes - 2.1
Yes - 2.1 & 3
Asynchronous I/O for storage devices
Yes
Yes
CoE compliant
Yes
Yes
LSB compliant
Yes - 1.3
Yes - 1.3
NFS
Yes - V3
Yes - V3 & V4
(1) Scientific Linux defines logical CPUs equivalent to cores/virtualCPUs, so a dual-core (non-hyperthreading) CPU is counted as 2 logical CPUs and a single hyperthreading CPU is counted as 2 logical CPUs.
(2) CPU counts over 8 for AMD64/EM64T require use of the largesmp kernel.
(3) The "SMP" kernel supports a maximum of 16GB of main memory. Systems with more than 16GB of main memory use the "Hugemem" kernel. In certain workload scenarios it may be advantageous to use the "Hugemem" kernel on systems with more than 12GB of main memory.


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