What problem may occur and what can be done about system

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Problem

1. Consider a system that does client caching using the write-through algorithm. Individual blocks, rather than entire files, are cached. Suppose that a client is about to read an entire file sequentially, and some of the blocks are in the cache and others are not. What problem may occur, and what can be done about it?

2. Imagine that a distributed file uses client caching with a delayed write back policy. One machine opens, modifies, and closes a file. About half a minute later, another machine reads the file from the server. Which version does it get?

Reference no: EM131903790

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