public void ProtectedReplicasAreLastResort()
{
var protectedAge = EffectiveLastAccessTimeProvider.GetEffectiveLastAccessTime(
Configuration,
age: TimeSpan.FromHours(2),
replicaCount: 100,
42,
rank: ReplicaRank.Protected,
logInverseMachineRisk: 0);
protectedAge.Should().Be(TimeSpan.Zero, "Protected age should be zero so that is falls last in eviction ordering");
}
public void ImportantReplicaMovesTheAgeBucket()
{
var nonImportant = EffectiveLastAccessTimeProvider.GetEffectiveLastAccessTime(
Configuration,
age: TimeSpan.FromHours(2),
replicaCount: 100,
42,
isImportantReplica: false,
logInverseMachineRisk: 0);
var important = EffectiveLastAccessTimeProvider.GetEffectiveLastAccessTime(
Configuration,
age: TimeSpan.FromHours(2),
replicaCount: 100,
42,
isImportantReplica: true,
logInverseMachineRisk: 0);
important.Should().BeLessThan(nonImportant, "Important replica should be consider to be younger, then non-important one.");
}
