/// <summary>
/// Stream queue balancer that uses Azure deployment information for load balancing.
/// Requires silo running in Azure.
/// This Balancer uses both the information about the full set of silos as reported by Azure role code but
/// does NOT use the information from Membership oracle about currently alive silos.
/// That is, it does not rebalance queues based on dynamic changes in the cluster Membership.
/// </summary>
public static void UseStaticAzureDeploymentBalancer(this ISiloPersistentStreamConfigurator configurator,
TimeSpan?siloMaturityPeriod = null)
{
configurator.ConfigurePartitionBalancing <DeploymentBasedQueueBalancerOptions>(
(s, n) => DeploymentBasedQueueBalancer.Create(s, n, new ServiceRuntimeWrapper(s.GetService <ILoggerFactory>())),
options => options.Configure(op =>
{
op.IsFixed = true;
if (siloMaturityPeriod.HasValue)
{
op.SiloMaturityPeriod = siloMaturityPeriod.Value;
}
}));
}
public static void UseDynamicClusterConfigDeploymentBalancer(this ISiloPersistentStreamConfigurator configurator,
TimeSpan?siloMaturityPeriod = null)
{
configurator.ConfigurePartitionBalancing <DeploymentBasedQueueBalancerOptions>(
(s, n) => DeploymentBasedQueueBalancer.Create(s, n, s.GetRequiredService <IOptions <StaticClusterDeploymentOptions> >().Value),
options => options.Configure(op =>
{
op.IsFixed = false;
if (siloMaturityPeriod.HasValue)
{
op.SiloMaturityPeriod = siloMaturityPeriod.Value;
}
}));
}
