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Shadow page recovery.
written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.8 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
database management systems
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written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k
  • Shadow paging is an alternative to log-based recovery; this scheme is useful if transactions execute serially.
  • Idea: maintain two page tables during the lifetime of a transaction –the current page table, and the shadow page table.
  • Store the shadow page table in nonvolatile storage, such that state of the database …

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