
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 requests the cache when writing a block from the write buffer to main memory.
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- 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_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_forward
- The central processing unit (CPU) could ask for a cache hit while it is moving data from the write buffer to the 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_forwardThe processor requests the cache from main memory while rewriting a block from the write buffer.arrow_forward
- During the process of transferring data from the write buffer to the main memory, the CPU may request a cache hit.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_forwardWhat should happen if the processor issues a request during block writing from the write buffer to main memory and the request is satisfied by the cache?arrow_forward
- Cache requests are sent from the central processor unit to the RAM in the system. whenever a block in the main memory write buffer has to be updated.arrow_forwardThe write buffer will return a block to main memory while the CPU submits a cache-unmet request. What may happen next?arrow_forwardWhat should happen if the processor makes a request that hits the cache while it is in the midst of transferring a block from the write buffer back to the main memory?arrow_forward
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