Exercise 18.7 Briefly answer the following questions: If the system fails repeatedly durin...
Exercise 18.7 Briefly answer the following questions:
If the system fails repeatedly during recovery, what is the maximum number of log records that can be written (as a function of the number of update and other log records written before the crash) before restart completes successfully?
What is the oldest log record we need to retain?
If a bounded amount of stable storage is used for the log, how can we always ensure enough stable storage to hold all log records written during restart?
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