Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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What should the CPU do if a cache request comes when a block is returned from the write buffer to main memory?
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- What should the processor do if a cache request cannot be satisfied while a block is being written from the write buffer back into main memory?arrow_forwardIf the data being requested is too large to fit in the cache, a write buffer will bring it to the attention of the CPU by retrieving it from main memory. What should the next step be?arrow_forwardIf the CPU receives a cache request while returning a block from the write buffer to main memory, what action should it take?arrow_forward
- What should the processor do if a cache request cannot be satisfied while a block is being written from the write buffer back into main memory?arrow_forwardWhen the amount of data requested is more than what can be stored in cache, the CPU fetches it from main memory and returns it through the write buffer. Now what?arrow_forwardWhat should happen if the processor sends a request that hits the cache while sending a block from the write buffer back to the main memory?arrow_forward
- In this scenario, the CPU is simultaneously making a cache request and returning a block from the write buffer to main memory.arrow_forwardWhat should occur if the processor sends a request to the cache while a write buffer block is being returned to main memory?arrow_forwardWhat should the processor do if a cache request can't be completed while a block is being written back into main memory from the write buffer?arrow_forward
- If a processor request reaches the cache while a write buffer block is being flushed back to main memory, what should happen?arrow_forwardWhat action should be taken by the central processing unit in the event that a cache request is received while a block is being returned from the write buffer to the main memory?arrow_forwardWhat takes happen if a processor makes a request that cannot be satisfied by the cache when it is moving a block back to main memory from the write buffer?arrow_forward
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