disk access


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Related to disk access: Disk access time

disk access

Reading and writing the disk. It generally refers to the most time-consuming part of the operation, which is moving the read/write head. The disk access time is the average of the time it takes to position the head over the requested track. See defragment and 32-bit disk access.
References in periodicals archive ?
The disk access time is the time to transfer all blocks of the fragment from disk to buffer and is computed as (time to transfer a block of records) x (transaction frequency) x (cardinality) x (fragment length).
the assumption that a random disk access will be required for each record identifier for each term, as if inverted lists were stored as a linked list on disk (They should be stored contiguously or at the very least in a linked list of blocks.
Running Speed Disk keeps the hard disk access time from slowing down by correcting the file fragmentation that occurs with use.
DOS keeps track of where everything is located, but one result is to slow disk access time considerably.
Ideally, he says, laptop software should only require disk access when the program loads or when the user saves data.
Then the time elapsed for each activity such as processing, disk access, etc.
CACHING AND OTHER DISK ACCESS AVOIDANCE TECHNIQUES ON PERSONAL COMPUTERS Disk caching is a technique for keeping the most recently used disk blocks in an associative memory in main storage, with the expectation that those blocks will be used again in the near future.
The combination of AutoCache with LSI Nytro WarpDrive cards addresses a common issue that dynamic workloads present to virtualized servers, mainly that the total-cost-of-ownership benefits of virtualization are throttled by disk access," said Rory Bolt, CEO of Proximal Data.
Dual-ported disk drives connect to two of the nodes, providing a secondary redundant disk access path in case one node fails.
Such an index aims to minimise its memory footprint and CPU usage, whereas a disk-resident index focuses on reducing its disk access, since disks offer a slow medium for data access.
The bad news is that I lost the ability to use SmartDrive, the data-caching Microsoft program that speeds up disk access.