private async Task ReadBenchmark(DocumentClient client, string replicaType, bool final = false)
{
Stopwatch stopwatch = new Stopwatch();
string region = Helpers.ParseEndpoint(client.ReadEndpoint);
FeedOptions feedOptions = new FeedOptions
{
PartitionKey = new PartitionKey(PartitionKeyValue)
};
string sql = "SELECT c._self FROM c";
var items = client.CreateDocumentQuery(containerUri, sql, feedOptions).ToList();
int i = 0;
int total = items.Count;
List <Result> result = new List <Result>();
Console.WriteLine();
Console.WriteLine($"Test {total} reads against {replicaType} account in {region} from West US 2\r\nPress any key to continue\r\n...");
Console.ReadKey(true);
RequestOptions requestOptions = new RequestOptions
{
PartitionKey = new PartitionKey(PartitionKeyValue)
};
foreach (Document item in items)
{
stopwatch.Start();
ResourceResponse <Document> response = await client.ReadDocumentAsync(item.SelfLink, requestOptions);
stopwatch.Stop();
Console.WriteLine($"Read {i} of {total}, region: {region}, Latency: {stopwatch.ElapsedMilliseconds} ms, Request Charge: {response.RequestCharge} RUs");
result.Add(new Result(stopwatch.ElapsedMilliseconds, response.RequestCharge));
i++;
stopwatch.Reset();
}
//Average at 99th Percentile
string _latency = Math.Round(result.OrderBy(o => o.Latency).Take(99).Average(o => o.Latency), 0).ToString();
string _ru = Math.Round(result.OrderBy(o => o.Latency).Take(99).Average(o => o.RU)).ToString();
results.Add(new ResultData
{
Test = $"Test {replicaType}",
AvgLatency = _latency,
AvgRU = _ru
});
Console.WriteLine();
Console.WriteLine("Summary");
Console.WriteLine("-----------------------------------------------------------------------------------------------------");
Console.WriteLine($"Test {total} reads against {replicaType} account in {region}");
Console.WriteLine();
Console.WriteLine($"Average Latency:\t{_latency} ms");
Console.WriteLine($"Average Request Units:\t{_ru} RUs");
Console.WriteLine();
Console.WriteLine("Press any key to continue...");
Console.ReadKey(true);
if (final)
{
Console.WriteLine();
Console.WriteLine("Summary");
Console.WriteLine("-----------------------------------------------------------------------------------------------------");
foreach (ResultData r in results)
{
Console.WriteLine($"{r.Test}\tAvg Latency: {r.AvgLatency} ms\tAverage RU: {r.AvgRU}");
}
Console.WriteLine();
Console.WriteLine($"Test concluded. Press any key to continue\r\n...");
Console.ReadKey(true);
}
}
