computer storage, a disk buffer (often ambiguously called a disk cache or a cache buffer) is the embedded memory in a hard disk drive (HDD) or solid-state...
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computer. Buffer overflow Buffer underrun Circular buffer Disk buffer Streaming media Frame buffer for use in graphical display Double buffering and Triple...
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Page cache (redirect from Buffer cache)
which case the cache is integrated into a hard disk drive and usually called disk buffer), or in a disk array controller, such memory should not be confused...
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Disk cache may refer to: Disk buffer, the small amount of RAM embedded on a hard disk drive, used to store the data going to and coming from the disk...
440 bytes (97 words) - 23:23, 31 July 2016
Cache (computing) (redirect from Buffer pool)
cheaper, easily mass-produced commodities such as DRAM, flash, or hard disks. The buffering provided by a cache benefits one or both of latency and throughput...
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success. However, the changes are still queued in the disk buffer waiting to be committed to disk. Power fails and the changes are lost, but the user assumes...
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A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using...
139 KB (14,137 words) - 20:02, 3 July 2025
disk drives have sustained "disk-to-buffer" data transfer rates that are one or two orders of magnitude lower than that of HDDs. The sustained "disk-to-buffer"...
39 KB (4,213 words) - 14:10, 13 December 2024
Libtorrent (section Network buffers)
copied, the receive buffer for payload data is received directly into a page-aligned disk buffer. If the connection is encrypted, the buffer is decrypted in-place...
18 KB (1,987 words) - 06:28, 24 December 2024
the A20 countdown variable at offset 18h in the disk buffer info table (see Table "DOS 5.0-6.0 disk buffer info") will be set to 10, which will cause A20...
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News Filesystem (CNFS), which sequentially stores articles in large on-disk buffers. This method, implemented by Scott Fritchie, greatly increased performance...
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Algorithm for Second Level Buffer Caches. USENIX, 2002. Eduardo Pinheiro, Ricardo Bianchini, Energy conservation techniques for disk array-based servers, Proceedings...
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the semiconductor industry. Shift registers, processor registers, data buffers and other small digital registers that have no memory address decoding...
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USB flash drive (redirect from Disk on key)
supplementary back-ups, and transferring of computer files. Compared with floppy disks or CDs, they are smaller, faster, have significantly more capacity, and...
83 KB (9,239 words) - 18:12, 10 May 2025
External sorting (redirect from On-disk merge)
be divided into more buffers, so each buffer is smaller. Eventually, the reads become so small that more time is spent on disk seeks than data transfer...
14 KB (2,176 words) - 17:38, 4 May 2025
Apple DOS (category Disk operating systems)
the disk. The early DOS File Manager subverted this efficiency by copying bytes read from or written to a file one at a time between a disk buffer and...
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such as a Skip list or B+ tree. Once the in-memory buffer becomes full, it is flushed to the disk as an immutable sorted component at the first level...
14 KB (1,936 words) - 08:24, 10 January 2025
Wiktionary, the free dictionary. In computing, buffer underrun or buffer underflow is a state occurring when a buffer used for communicating between two devices...
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CP/M (redirect from Basic Disk Operating System)
8-inch floppy disks. Since most 5.25-inch disk formats use larger sectors, the blocking and deblocking and the management of a disk buffer area is handled...
103 KB (10,917 words) - 03:47, 26 June 2025
offer mainstream ATA hard disk drives with 8 MiB of disk buffer. At that time, most desktop hard disk drives had 2 MB of buffer. Western Digital labeled...
60 KB (5,585 words) - 08:38, 10 June 2025
text and edit it with a full featured editor. Program text, variables, disk buffers and the CP/M operating system itself all had to share the 64 kilobyte...
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sensor in place and ratchet it back several millimeters to allow for the disk buffer to clear and the scan to restart. The ratcheting motion prevents gaps...
60 KB (6,069 words) - 20:35, 1 May 2025
line has been enhanced to support larger disk buffer capacities, FICON, and more recently (c. 2010) "tapeless" disk-only environments. Other offerings in...
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File system (redirect from Disk file systems)
relatively low-level access to a storage device (e.g. disk). It reads and writes data blocks, provides buffering and other memory management and controls placement...
76 KB (9,841 words) - 10:10, 26 June 2025
cells available in some ratings. Server-grade disk array controllers often contain onboard disk buffer, and provide an option for a "backup battery unit"...
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Native Command Queuing (section Hard disk drives)
wants to be notified when the data reaches the disk's platters, or when it reaches the disk's buffer (on-board cache). Assuming a correct hardware implementation...
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additionally attempted to move the disk buffers into the HMA. Under DR DOS 6.0 (1991) and higher, the disk buffers (via HIBUFFERS, and later also BUFFERSHIGH)...
26 KB (2,736 words) - 19:32, 31 May 2024
number of I/O operations required, CPU path length, amount of disk buffer space, disk storage service time, and interconnect usage between units of parallelism...
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Solid-state drive (redirect from Solid state disk)
include a small amount of volatile DRAM as a cache, similar to the buffers in hard disk drives. This cache can temporarily hold data while it is being written...
127 KB (11,158 words) - 22:50, 2 July 2025
INT 13H (redirect from Enhanced Disk Drive)
Phoenix Technologies as part of BIOS Enhanced Disk Drive Services (EDD). Some cache drivers flush their buffers when detecting that DOS is bypassed by directly...
5 KB (437 words) - 13:29, 29 June 2025