cache invalidation
[/kæʃ ɪnˈvælɪdeɪʃən/]
nounpl: cache invalidations
invalidação de cache
1. The process of marking cached data as obsolete or removing it from cache memory to ensure that fresh, up-to-date information is retrieved from the source
Cache invalidation is necessary when the underlying data changes to prevent users from seeing stale information.
A invalidação de cache é necessária quando os dados subjacentes mudam para evitar que os usuários vejam informações desatualizadas.
2. In computing, a technique used in web applications and databases to refresh cached content before its natural expiration time
The developer implemented cache invalidation to update product prices immediately after a sale.
O desenvolvedor implementou invalidação de cache para atualizar os preços dos produtos imediatamente após uma venda.
This is primarily technical jargon used in software development, web engineering, and IT infrastructure communities. In Brazil, it's commonly used in tech companies, startup ecosystems (especially in São Paulo's tech hub), and educational institutions teaching computer science. The famous programmer's quote about cache invalidation being 'one of the only two hard things in Computer Science' is widely recognized in tech communities across both Brazil and the USA.
Related Idioms & Phrases
there are only two hard things in Computer Science: cache invalidation and naming things
cache invalidation problem
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