Database Questions: Q1
Posted: Sat May 14, 2022 2:51 pm
Database Questions:
Q1
Consider the CLOCK page replacement policy. Assume that there are only 3 page slots available in the buffer pool. If a page reference sequence is: 0,4, 1, 4, 2, 4, 3, 4 (in order from left to right). What happens when the second 4 (i.e., the 4 underlined with blue color) is referenced? It is evicted. Its reference bit is set to 1. Nothing changes. Its reference bit is set to 0.
Q1
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