GSP drastically improves throughput and access to performance-critical data, even in comparison to disk systems with cache, since read and write access operations take place at near-CPU speed. GSP is employed like a disk and, with disk access buffer (DAB), as a high-speed read and write cache for files. Around-the-clock system stability and data availability are guaranteed by the redundant hardware components and battery. And since modified data no longer needs to be saved to the disk, another marked performance improvement over main memory caching is possible.
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