1. Get Started with Performance Tuning
  2. Reactive Database Tuning
  3. Resolving Performance Degradation Over Time
  4. Using the AWR Compare Periods Reports
  5. Summary of the AWR Compare Periods Report
  6. Cache Sizes

Cache Sizes

The Cache Sizes section compares the database configurations used in the two snapshot sets. For example, the report compares the SGA and log buffer size. Differences in the configurations are quantified as percentages in the %Diff column.