Handling the Buffer Pool

• Force every write to disk?

  • Poor response time.
  • But provides durability.

• Steal buffer-pool frames from uncommitted Xacts?

  • If not, poor throughput.
  • If so, how can we ensure atomicity?

Force

No Force

No Steal

Steal

Trivial

Desired

Previous slide

Next slide

Back to first slide

View graphic version