System Requirements

The following table summarizes the system requirements.

Table 1–2 Platform Requirements for Application Server 7 Standard and Enterprise Edition 2004Q2 Update 7

Operating System	Architecture	Minimum Memory	Recommended Memory	Minimum Disk Space	Recommended Disk Space
Sun Solaris 8, 9, or 10 for SPARC	32 and 64 bit4	256 MB  1.5 GB (with co-located HADB)	1024 MB  2 GB (with co-located HADB)	250 MB free	500 MB free
Solaris x86, Version 9 and 10	32 bit
Red Hat Enterprise Linux 2.1, 3
Windows 2000: Server Service Pack 2Windows 2000: Advanced Server Service Pack 2Windows 2000: Professional Service Pack 2Windows 2003Windows XP: Professional	x86 32 bit

⁴ 32 and 64 bit here refers to the supported OS. Sun Java System Application Server is a 32 bit application.

• On UNIX, you can check your operating system version using the uname command. Disk space can be checked using the df command.

• On Solaris, ensure that the system-wide instance of perl under /usr/bin/perl is in the path. Application Server installation will fail if the default perl installation is not found.

• HADB is not supported on Microsoft Windows or Red Hat Enterprise Linux operating system versions in 64 bit mode. On Solaris (x86), HADB has been tested only in 32 bit mode of the operating system.

• HADB uses Intimate Shared Memory (SHM_SHARE_MMU flag) when it creates and attaches to its shared memory segments. The use of this flag essentially locks the shared memory segments into physical memory and prevents them from being paged out. Therefore, HADB database’s shared memory is locked into physical memory, which can easily impact installations on low end machines. Ensure you have the recommended amount of memory when co-locating Application Server and HADB.