More on Memory Management

• Owner gets another node to forward page if possible.

• Otherwise, it gets it from disk and keeps a copy in memory.

• The page in Owner memory is labeled as hated.

• Eviction Policy: hated pages are evicted first.

• When primary server receives a page, it must choose another page to evict. Three algorithms (no hated pages) :

  • Client-Server
  • Duplicate Elimination
  • Hybrid

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