What is the oldest log record that we need to retain

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Reference no: EM131210696

Briefly answer the following questions:

1. 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?

2. What is the oldest log record that we need to retain?

3. If a bounded amount of stable storage is used for the log, how can we ensure that there is always enough stable storage to hold all log records written during restart?

Reference no: EM131210696

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