Cache Write Policies In a cache system using a write-back policy, if a cache block is modified and marked as "dirty" but not yet updated in the main memory, and that block is selected for replacement, what action should be taken to ensure data integrity?

Cache Write Policies In a cache system using a write-back policy, if a cache block is modified and marked as "dirty" but not yet updated in the main memory, and that block is selected for replacement, what action should be taken to ensure data integrity?

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter6: System Integration And Performance

Section: Chapter Questions

Problem 29VE

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Concept explainers

Types of database architectures

A Database Architecture represents the Database Management System’s (DBMS) design (schema). The DBMS architecture makes it easy to understand the components involved in the database system and their relations. The DBMS architecture may vary based on the system on which it runs. Some systems contain both client and server machines whereas some run only on a server machine. Based on the architecture, the system can be classified as centralized, decentralized, or hierarchical.

Question

. Cache Write Policies
In a cache system using a write-back policy, if a cache block is
modified and marked as "dirty" but not yet updated in the main
memory, and that block is selected for replacement, what action
should be taken to ensure data integrity?

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Step 1: Ensuring Data Integrity in Cache Systems

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Step 2: Maintaining Data Integrity in Write-Back Cache Replacement

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Cache-unfulfilled requests from processors when a block is being written back to main memory from the write buffer are there any consequences?
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