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fix(worker): 限制大图归一化峰值内存

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6K 多参考图在 P24 下会并发进入高内存缩放并击穿 2 GiB Worker。新增独立可配置的图片归一化并发，生产默认 2，只约束解码、缩放和重编码阶段，不占用视频上游等待槽；缩放器改为内存稳定的近似双线性实现。\n\n验证：6K 到 6000x2400 转换、信号量串行化、Go 全量测试、gofmt、Kubernetes 客户端 dry-run。
This commit is contained in:
wangbo
2026-07-31 20:54:11 +08:00
parent f190af00be
commit 29533537ec
7 changed files with 127 additions and 9 deletions
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apps/api/internal/config/config.go
+16 -8
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@@ -67,6 +67,7 @@ type Config struct {
DatabaseLockTimeoutSeconds int
MediaRequestConcurrency int
MediaMaterializationConcurrency int
MediaImageNormalizationConcurrency int
MediaOSSDirectEnabled bool
MediaOSSEndpoint string
MediaOSSBucket string
@@ -167,14 +168,18 @@ func Load() Config {
MediaRequestConcurrency: envIntValidated("AI_GATEWAY_MEDIA_REQUEST_CONCURRENCY", 16),
MediaMaterializationConcurrency: envIntValidated("AI_GATEWAY_MEDIA_MATERIALIZATION_CONCURRENCY", 8),
MediaOSSDirectEnabled: env("AI_GATEWAY_MEDIA_OSS_DIRECT_ENABLED", "false") == "true",
MediaOSSEndpoint: strings.TrimRight(env("AI_GATEWAY_MEDIA_OSS_ENDPOINT", ""), "/"),
MediaOSSBucket: strings.TrimSpace(env("AI_GATEWAY_MEDIA_OSS_BUCKET", "")),
MediaOSSAccessKeyID: strings.TrimSpace(env("AI_GATEWAY_MEDIA_OSS_ACCESS_KEY_ID", "")),
MediaOSSAccessKeySecret: strings.TrimSpace(env("AI_GATEWAY_MEDIA_OSS_ACCESS_KEY_SECRET", "")),
MediaOSSPublicBaseURL: strings.TrimRight(env("AI_GATEWAY_MEDIA_OSS_PUBLIC_BASE_URL", ""), "/"),
MediaOSSObjectPrefix: strings.Trim(env("AI_GATEWAY_MEDIA_OSS_OBJECT_PREFIX", "easyai-ai-gateway/media"), "/"),
AsyncQueueWorkerEnabled: env("AI_GATEWAY_ASYNC_QUEUE_WORKER_ENABLED", "true") == "true",
MediaImageNormalizationConcurrency: envIntValidated(
"AI_GATEWAY_MEDIA_IMAGE_NORMALIZATION_CONCURRENCY",
2,
),
MediaOSSDirectEnabled: env("AI_GATEWAY_MEDIA_OSS_DIRECT_ENABLED", "false") == "true",
MediaOSSEndpoint: strings.TrimRight(env("AI_GATEWAY_MEDIA_OSS_ENDPOINT", ""), "/"),
MediaOSSBucket: strings.TrimSpace(env("AI_GATEWAY_MEDIA_OSS_BUCKET", "")),
MediaOSSAccessKeyID: strings.TrimSpace(env("AI_GATEWAY_MEDIA_OSS_ACCESS_KEY_ID", "")),
MediaOSSAccessKeySecret: strings.TrimSpace(env("AI_GATEWAY_MEDIA_OSS_ACCESS_KEY_SECRET", "")),
MediaOSSPublicBaseURL: strings.TrimRight(env("AI_GATEWAY_MEDIA_OSS_PUBLIC_BASE_URL", ""), "/"),
MediaOSSObjectPrefix: strings.Trim(env("AI_GATEWAY_MEDIA_OSS_OBJECT_PREFIX", "easyai-ai-gateway/media"), "/"),
AsyncQueueWorkerEnabled: env("AI_GATEWAY_ASYNC_QUEUE_WORKER_ENABLED", "true") == "true",
AsyncWorkerHardLimit: envIntValidated(
"AI_GATEWAY_ASYNC_WORKER_GLOBAL_HARD_LIMIT",
envOptionalIntValidated("AI_GATEWAY_ASYNC_WORKER_HARD_LIMIT", 2048),
@@ -252,6 +257,9 @@ func (c Config) Validate() error {
if c.MediaRequestConcurrency != 0 && (c.MediaRequestConcurrency < 1 || c.MediaRequestConcurrency > 1024) {
return errors.New("AI_GATEWAY_MEDIA_REQUEST_CONCURRENCY must be between 1 and 1024")
}
if c.MediaImageNormalizationConcurrency != 0 && (c.MediaImageNormalizationConcurrency < 1 || c.MediaImageNormalizationConcurrency > 64) {
return errors.New("AI_GATEWAY_MEDIA_IMAGE_NORMALIZATION_CONCURRENCY must be between 1 and 64")
}
if c.MediaOSSDirectEnabled {
if strings.TrimSpace(c.MediaOSSAccessKeyID) == "" || strings.TrimSpace(c.MediaOSSAccessKeySecret) == "" {
return errors.New("AI_GATEWAY_MEDIA_OSS_ACCESS_KEY_ID and AI_GATEWAY_MEDIA_OSS_ACCESS_KEY_SECRET are required when direct media OSS is enabled")