.Net 5 WorkerService运行其他应用程序效果不佳

private readonly SemaphoreSlim _semaphore = new SemaphoreSlim(1, 1);

public async Task ExecuteTaskAsync()
{
    await _semaphore.WaitAsync();
    try
    {
        // 访问共享资源的代码
    }
    finally
    {
        _semaphore.Release();
    }
}

var channel = Channel.CreateUnbounded<WorkItem>();

// 生产者
_ = Task.Run(async () =>
{
    while (true)
    {
        var item = await GetNextWorkItemAsync();
        await channel.Writer.WriteAsync(item);
    }
});

// 消费者
for (int i = 0; i < Environment.ProcessorCount; i++)
{
    _ = Task.Run(async () =>
    {
        while (await channel.Reader.WaitToReadAsync())
        {
            if (channel.Reader.TryRead(out var item))
            {
                await ProcessItemAsync(item);
            }
        }
    });
}

public async Task ExecuteTaskWithExceptionHandlingAsync()
{
    try
    {
        await ExecuteTaskAsync();
    }
    catch (Exception ex)
    {
        // 记录异常并采取适当的恢复措施
        Log.Error(ex, "An error occurred while executing the task.");
    }
}

services.AddHostedService<Worker>(options =>
{
    options.WorkerCount = Environment.ProcessorCount * 2; // 根据需要调整
});