/// <summary>
/// Create a partitioned container.
/// </summary>
/// <returns>The created container.</returns>
private async Task <ContainerResponse> CreatePartitionedContainerAsync(BenchmarkOptions options)
{
Database database = await client.CreateDatabaseIfNotExistsAsync(options.Database);
Container container = database.GetContainer(options.Container);
try
{
return(await container.ReadContainerAsync());
}
catch (CosmosException ex) when(ex.StatusCode == HttpStatusCode.NotFound)
{
// Show user cost of running this test
double estimatedCostPerMonth = 0.06 * options.Throughput;
double estimatedCostPerHour = estimatedCostPerMonth / (24 * 30);
Console.WriteLine($"The container will cost an estimated ${Math.Round(estimatedCostPerHour, 2)} per hour (${Math.Round(estimatedCostPerMonth, 2)} per month)");
Console.WriteLine("Press enter to continue ...");
Console.ReadLine();
string partitionKeyPath = options.PartitionKeyPath;
return(await database.CreateContainerAsync(options.Container, partitionKeyPath, options.Throughput));
}
}
/// <summary>
/// Run samples for Order By queries.
/// </summary>
/// <returns>a Task object.</returns>
private async Task RunAsync(BenchmarkOptions options)
{
if (options.CleanupOnStart)
{
Database database = client.GetDatabase(options.Database);
await database.DeleteStreamAsync();
}
ContainerResponse containerResponse = await this.CreatePartitionedContainerAsync(options);
Container container = containerResponse;
int?currentContainerThroughput = await container.ReadThroughputAsync();
Console.WriteLine($"Using container {options.Container} with {currentContainerThroughput} RU/s");
int taskCount = options.DegreeOfParallelism;
if (taskCount == -1)
{
// set TaskCount = 10 for each 10k RUs, minimum 1, maximum { #processor * 50 }
taskCount = Math.Max(currentContainerThroughput.Value / 1000, 1);
taskCount = Math.Min(taskCount, Environment.ProcessorCount * 50);
}
this.RequestUnitsConsumed = new double[taskCount];
Console.WriteLine("Starting Inserts with {0} tasks", taskCount);
Console.WriteLine();
string sampleItem = File.ReadAllText(options.ItemTemplateFile);
pendingTaskCount = taskCount;
var tasks = new List <Task>();
tasks.Add(this.LogOutputStats());
string partitionKeyPath = containerResponse.Resource.PartitionKeyPath;
long numberOfItemsToInsert = options.ItemCount / taskCount;
for (var i = 0; i < taskCount; i++)
{
tasks.Add(this.InsertItem(i, container, partitionKeyPath, sampleItem, numberOfItemsToInsert));
}
await Task.WhenAll(tasks);
if (options.CleanupOnFinish)
{
Console.WriteLine($"Deleting Database {options.Database}");
Database database = client.GetDatabase(options.Database);
await database.DeleteStreamAsync();
}
}
/// <summary>
/// Main method for the sample.
/// </summary>
/// <param name="args">command line arguments.</param>
public static async Task Main(string[] args)
{
BenchmarkOptions options = null;
Parser.Default.ParseArguments <BenchmarkOptions>(args)
.WithParsed <BenchmarkOptions>(e => options = e)
.WithNotParsed <BenchmarkOptions>(e => Program.HandleParseError(e));
ThreadPool.SetMinThreads(options.MinThreadPoolSize, options.MinThreadPoolSize);
string accountKey = options.Key;
options.Key = null; // Don't print
using (var ct = new ConsoleColoeContext(ConsoleColor.Green))
{
Console.WriteLine($"{nameof(CosmosBenchmark)} started with arguments");
Console.WriteLine("--------------------------------------------------------------------- ");
Console.WriteLine(JsonConvert.SerializeObject(options, new JsonSerializerSettings()
{
NullValueHandling = NullValueHandling.Ignore,
Formatting = Formatting.Indented,
}));
Console.WriteLine("--------------------------------------------------------------------- ");
Console.WriteLine();
}
CosmosClientOptions clientOptions = new CosmosClientOptions()
{
ApplicationName = "cosmosdbdotnetbenchmark",
RequestTimeout = new TimeSpan(1, 0, 0),
MaxRetryAttemptsOnRateLimitedRequests = 10,
MaxRetryWaitTimeOnRateLimitedRequests = TimeSpan.FromSeconds(60),
};
using (var client = new CosmosClient(
options.EndPoint,
accountKey,
clientOptions))
{
var program = new Program(client);
await program.RunAsync(options);
Console.WriteLine("CosmosBenchmark completed successfully.");
}
Console.WriteLine("Press any key to exit...");
Console.ReadLine();
}