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perf : 文件验证和文件下载并发设置为合理的默认值，并限制参数为合理范围。

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何冠峰
2025-12-04 21:12:49 +08:00
parent 33356cb270
commit 5da8c6baf8
1 changed files with 29 additions and 6 deletions
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35
Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
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@@ -73,8 +73,10 @@ namespace YooAsset
/// <summary> /// <summary>
/// 自定义参数：初始化的时候缓存文件校验最大并发数 /// 自定义参数：初始化的时候缓存文件校验最大并发数
/// 默认值：32（推荐范围 1-128）
/// 说明：过大的值可能导致线程池任务过多，影响系统稳定性
/// </summary> /// </summary>
public int FileVerifyMaxConcurrency { private set; get; } = int.MaxValue; public int FileVerifyMaxConcurrency { private set; get; } = 32;
/// <summary> /// <summary>
/// 自定义参数：数据文件追加文件格式 /// 自定义参数：数据文件追加文件格式
@@ -88,13 +90,17 @@ namespace YooAsset
/// <summary> /// <summary>
/// 自定义参数：最大并发连接数 /// 自定义参数：最大并发连接数
/// 默认值：10（推荐范围 1-32）
/// 说明：过大的并发数可能被服务器限流，也会增加本地资源消耗
/// </summary> /// </summary>
public int DownloadMaxConcurrency { private set; get; } = int.MaxValue; public int DownloadMaxConcurrency { private set; get; } = 10;
/// <summary> /// <summary>
/// 自定义参数：每帧发起的最大请求数 /// 自定义参数：每帧发起的最大请求数
/// 默认值：5（推荐范围 1-10）
/// 说明：避免单帧发起过多请求导致卡顿
/// </summary> /// </summary>
public int DownloadMaxRequestPerFrame { private set; get; } = int.MaxValue; public int DownloadMaxRequestPerFrame { private set; get; } = 5;
/// <summary> /// <summary>
/// 自定义参数：下载任务的看门狗机制监控时间 /// 自定义参数：下载任务的看门狗机制监控时间
@@ -242,7 +248,14 @@ namespace YooAsset
else if (name == FileSystemParametersDefine.FILE_VERIFY_MAX_CONCURRENCY) else if (name == FileSystemParametersDefine.FILE_VERIFY_MAX_CONCURRENCY)
{ {
int convertValue = Convert.ToInt32(value); int convertValue = Convert.ToInt32(value);
FileVerifyMaxConcurrency = Mathf.Clamp(convertValue, 1, int.MaxValue); if (convertValue > 256)
{
YooLogger.Warning($"FILE_VERIFY_MAX_CONCURRENCY value {convertValue} is too large, clamped to 256. Recommended range: 1 - 128.");
}
// 限制在合理范围内：1-256
// 超过 256 的并发数对于文件验证来说没有意义，反而会增加线程池压力
FileVerifyMaxConcurrency = Mathf.Clamp(convertValue, 1, 256);
} }
else if (name == FileSystemParametersDefine.APPEND_FILE_EXTENSION) else if (name == FileSystemParametersDefine.APPEND_FILE_EXTENSION)
{ {
@@ -255,12 +268,22 @@ namespace YooAsset
else if (name == FileSystemParametersDefine.DOWNLOAD_MAX_CONCURRENCY) else if (name == FileSystemParametersDefine.DOWNLOAD_MAX_CONCURRENCY)
{ {
int convertValue = Convert.ToInt32(value); int convertValue = Convert.ToInt32(value);
DownloadMaxConcurrency = Mathf.Clamp(convertValue, 1, int.MaxValue); if (convertValue > 64)
{
YooLogger.Warning($"DOWNLOAD_MAX_CONCURRENCY value {convertValue} is too large, clamped to 64. Recommended range: 1 - 32.");
}
DownloadMaxConcurrency = Mathf.Clamp(convertValue, 1, 64);
} }
else if (name == FileSystemParametersDefine.DOWNLOAD_MAX_REQUEST_PER_FRAME) else if (name == FileSystemParametersDefine.DOWNLOAD_MAX_REQUEST_PER_FRAME)
{ {
int convertValue = Convert.ToInt32(value); int convertValue = Convert.ToInt32(value);
DownloadMaxRequestPerFrame = Mathf.Clamp(convertValue, 1, int.MaxValue); if (convertValue > 20)
{
YooLogger.Warning($"DOWNLOAD_MAX_REQUEST_PER_FRAME value {convertValue} is too large, clamped to 20. Recommended range: 1 - 10.");
}
DownloadMaxRequestPerFrame = Mathf.Clamp(convertValue, 1, 20);
} }
else if (name == FileSystemParametersDefine.DOWNLOAD_WATCH_DOG_TIME) else if (name == FileSystemParametersDefine.DOWNLOAD_WATCH_DOG_TIME)
{ {