buffer cache

[ˈbʌfər ˈkæʃ]
nounpl: buffer caches
cache de buffer
1. A portion of computer memory used to temporarily store data being transferred between a CPU and a slower storage device, improving system performance by reducing access times
The operating system uses a buffer cache to speed up disk read and write operations.
O sistema operacional usa um cache de buffer para acelerar as operações de leitura e escrita em disco.
2. In computing, a memory management technique that holds frequently accessed data to minimize direct access to slower storage media
Increasing the buffer cache size can improve database query performance significantly.
Aumentar o tamanho do cache de buffer pode melhorar significativamente o desempenho de consultas de banco de dados.
Buffer cache is primarily a technical computing term used uniformly across English and Portuguese-speaking IT communities. The term is rarely adapted or localized, with most professionals using the English expression even in Portuguese-speaking countries. In Brazil, it appears frequently in documentation and technical discussions without translation.
Synonyms / Sinônimos
disk cachememory cachepage cacheI/O cache
Antonyms / Antônimos
direct memory accessuncached storage

Regional Variations

General Brazilian
cache de buffer
Standard technical term used in computing documentation and IT professionals
Rio de Janeiro
cache de buffer
Same as general Brazilian usage
São Paulo
cache de buffer
Preferred in tech hubs; sometimes shortened to 'buffer cache' in English
Portugal
memória cache de buffer
More formal construction preferred in European Portuguese

Related Words

cache memorydisk I/Omemory managementstorage subsystemperformance optimization

Related Idioms & Phrases

hit the cache - to successfully retrieve data from buffer cache
cache miss - when requested data is not found in buffer cache
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