Oracle Linux的系统配置和限制

System Configurations and Limits for Oracle Linux Releases (Doc ID 300652.1)

APPLIES TO:

Linux OS - Version Enterprise Linux 3.0 to Oracle Linux 7.0 with Unbreakable Enterprise Kernel [3.8.13] [Release RHEL3 to OL7]
Linux x86
Linux x86-64
Linux Itanium

PURPOSE

System Configurations and Limits (Memory,CPU,Disk imitations with maximums and minimums) for Oracle Linux 3,4,5,6 and theUEK(Unbreakable Enterprise Kernel).

SCOPE

This document is informational and intended for any user using Oracle Linux.

DETAILS

Architectures Supported

x86 (1) Yes No No x86_64 (2) Yes (7) Yes ia64 Yes (4) Yes (6) No

Maximum Logical CPUs (3)

Arch Version x86 16 32 N/A x86_64 8 64 160/255 240/4096 240/5120 N/A 256/512 256/1024 N/A

Maximum Physical Memory(RAM)

5+UEK 8TB 16TB (Update 1) 16TB 16TB 50TB
Maximum x86 (32-bit) Address Space

x86 approx. 4 GB approx. 3 GB (5)
Minimum Memory(RAM)

256MB 512MB x86_64 1GB 1GB ia64 N/A
Minimum Disk Space

7(13) 800 MB 10GB

(1) Intel 32-bit Systems in the tables above.
(2) AMD64,Intel EM64T 64-bit Systems in the tables above.
(3) Multi-core and/or hyperthreading CPUs count as a single CPU in the table above.
(4) Update 7 is available as of August 1,2008
(5) Limit low because the "hugemem" kernel is not available
(6) Update 4 is available as of April,2010
(7) Unbreakable Enterprise Kernel for x86_64 is available over Oracle Linux 5.5 and higher
(8) With latest update level
(9) With Oracle Linux 6 the default kernel is Unbreakable Enterprise Kernel on x86_64 and RHEL compatible kernel with x86 (32-bit). The limits are provided based on that.
(10) AMD64 / Intel64: On those kernels larger memory can be handled with Intel CPUs
(11) Unbreakable Enterprise Kernel for x86 is available from Oracle Linux 5.7 and higher
(12) The theoretical upper limit is 5120 logical CPUs.
(13) Although the minimum disk space required for installation is 1GB,a minimum of 5 GB is recommended.
System Configurations and Limits for Oracle Linux Releases (Doc ID 300652.1)

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Arch Version	3	4	5	5+UEK	6 (9)	7
3	4	5	6	7(12)
6 (9)	64GB 16GB (5) 16GB (5,11) 128GB 256GB / 1TB (10) 1TB (10) 2TB 6TB/64TB 6TB/64TB 2 TB Maximum Default File System Size 3 (ext3)	4 (ext3)	5 (ext3)	6 (ext3/ext4)	7(ext4)