想知道您是如何进行延迟比较的?我尝试使用以下代码来测量,SE.Redis进行异步与同步所花费的时间非常接近。希望这可以帮助到您。
我的客户端代码运行在Azure Iaas VM上,并连接到同一地区的Azure Redis Cache。
针对排序集长度为10000、迭代次数为10000进行同步与异步测量
10000个同步调用平均完成时间为1.41190622毫秒
10000个异步调用平均完成时间为1.43989741毫秒
针对排序集长度为100000、迭代次数为1进行同步与异步测量
1个同步调用平均完成时间为0.9513毫秒
1个异步调用平均完成时间为1.1436毫秒
using StackExchange.Redis;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;
using System.Threading.Tasks;
namespace RedisLatency
{
class Program
{
private const string host = "myazurecache.redis.cache.windows.net";
private const string password = "password";
private static int sortedsetlength;
private static int iterations;
private static IDatabase _cache;
static void Main(string[] args)
{
sortedsetlength = Int32.Parse(args[0]);
iterations = Int32.Parse(args[1]);
CreateMultiplexer(host,password);
PopulateTestData();
RunTestSync();
RunTestAsync();
}
private static void CreateMultiplexer(string host, string password)
{
Console.WriteLine("Measuring sync vs async for sorted set length {0}, iteration {1}", sortedsetlength,iterations);
ConfigurationOptions configoptions = new ConfigurationOptions();
configoptions.EndPoints.Add(host);
configoptions.Password = password;
configoptions.Ssl = true;
ConnectionMultiplexer connection = ConnectionMultiplexer.Connect(configoptions);
_cache = connection.GetDatabase();
}
private static void PopulateTestData()
{
for (int i = 0; i < sortedsetlength; i++)
{
_cache.SortedSetAdd("testsorted", "user" + i, i);
}
}
static void RunTestSync()
{
for (int warmup = 0; warmup < 100; warmup++)
{
MeasureSync();
}
Stopwatch sw = Stopwatch.StartNew();
for (int i = 0; i < iterations;i++ )
{
MeasureSync();
}
sw.Stop();
Console.WriteLine("{0} sync calls completed in average {1} ms", iterations, sw.Elapsed.TotalMilliseconds/iterations);
}
async static void RunTestAsync()
{
for (int warmup = 0; warmup < 100; warmup++)
{
MeasureAsync().Wait();
}
Stopwatch sw = Stopwatch.StartNew();
for (int i = 0; i < iterations; i++)
{
MeasureAsync().Wait();
}
sw.Stop();
Console.WriteLine("{0} async calls completed in average {1} ms", iterations, sw.Elapsed.TotalMilliseconds/iterations);
}
static public void MeasureSync()
{
var result = _cache.SortedSetRangeByScore("testset", 1.0, sortedsetlength / 1.0);
}
async static public Task MeasureAsync()
{
var result = await _cache.SortedSetRangeByScoreAsync("testset", 1.0, sortedsetlength / 1.0);
}
}
}