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Release 7.1 new features

Performance


8GB General Purpose workload scaling
Support is provided for up to 8GB of pageable (general purpose) memory on the system for UnixWare 7 Release 7.1. General purpose memory can be used, for example, for running the kernel itself, running user programs, and providing buffers for devices and filesystems. In previous versions of UnixWare 7, memory above 4GB could only be used as dedicated memory, for shared memory used by database programs.

Significant performance and scalability improvements have been made in order to use any general purpose memory above 4GB more efficiently (for example, non-caching, per-LWP segmap, and replacement of the page hash table with per-vnode AVL trees). These performance improvements are not limited to systems with greater than 4GB memory.


sar/rtpm
sar(1M) and rtpm(1M) have been enhanced to report percentage time spent interrupt handling.

© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 22 April 2004