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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The processor will submit a request that cannot be met in the cache while the write buffer will return a block to the main memory. What are some possible next steps in this scenario?
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- In the event that the request is too big to fit in the cache, the central processing unit will transfer it to the main memory, and the write buffer will then return the memory block. How do we move forward?arrow_forwardA write buffer will bring the data from main memory back to the CPU if it is too big to fit in the cache. What should we do next?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_forward
- The write buffer sends a block back to main memory while the processor issues a request that the cache cannot fulfill. What ought to occur in this scenario?arrow_forwardWhat happens if the processor makes a request that hits the cache while sending a block from the write buffer to main memory?arrow_forwardWhat 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_forward
- When a processor makes a request that cannot be satisfied by the cache while moving a block back to main memory from the write buffer, what happens?arrow_forwardWhen a block is being sent back to main memory from the write buffer, what should happen if the processor sends a cache-unfulfilled request?arrow_forwardWhen a block is being sent back to main memory from the write buffer, what should happen if the processor sends a cache-unfulfilled request?arrow_forward
- What happens if the processor sends a request to the cache that is refused while the write buffer is writing a block back to main memory?arrow_forwardLet's pretend the CPU issues a cache request that eventually reaches the cache when a block is being flushed from the write buffer back to main memory. To what extent should this proceed?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_forward
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