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 occur if the processor sends a request to the cache while a write buffer block is being returned to main memory?
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- The write buffer will return a block to main memory while the CPU submits a cache-unmet request. What may happen next?arrow_forwardWhat 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 a processor submits a request that cannot be satisfied by the cache, and a block is being pushed back to main memory from the write buffer, should something happen?arrow_forward
- If 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_forwardAt the same time as the processor is making a request to the cache, it is returning a block from the write buffer to main memory.arrow_forward
- What should happen when a processor issues a request that cannot be satisfied by the cache while a block is being flushed back to main memory from the write buffer?arrow_forwardWhat 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_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
- 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_forwardThe write buffer will return a block to main memory while the CPU submits a cache-unmet request. What may happen next?arrow_forward
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