Question: Suppose that, on average, a web server spends 10% of each request accessing and manipulating its hash table of recently used web pages. Calculate the

Suppose that, on average, a web server spends 10% of each request accessing and manipulating its hash table of recently used web pages. Calculate the followings:

a. If the hash table is protected by a single lock, what is the maximum possible throughput gain?

b. What is the maximum throughput improvement if the hash table code runs five times slower on a multiprocessor due to the need to move shared data between processor caches?

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