using System;

using Microsoft.Extensions.Caching.Memory;

​

public class Program

{

    public static void Main()

    {

        var cache = new MemoryCache(new MemoryCacheOptions());

        //var options = new MemoryCacheEntryOptions{AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(1)};

        for (var i = 0; i < 100000; ++i)

        {

            for (var j = 0; j < 100; ++j)

            {

                var newData = new Data{Value = $"{i}-{j}"};

                //cache.Set($"Data{i}", newData, options);

                cache.GetOrCreate<Data>($"Data{i}", entry =>

                {

                    entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(1);

                    return newData;

                }).Value = newData.Value;

            }

        }

​

        GC.Collect();

        GC.Collect();

    }

​

    public class Data

    {

        public string Value { get; set; }

​

        public string[] Value1 { get; } = new string[10];

    }

}