perf(queue): 限制大媒体任务内存并消除准入惊群
将同步与异步非文本任务的准入唤醒改为按任务和全局队首推进,批量续租等待者,避免大量请求同时争抢 advisory lock 和数据库连接。 对 Base64 请求解析、素材解码、上游媒体执行和结果物化增加分层并发限制,复用请求素材并释放重复 Gemini wire 数据;生产 API 默认入口解析并发 16,媒体物化并发 8。 新增 1000 个同步 Gemini 图像编辑请求的模拟上游压力验收,10 MiB 输入和输出下全部成功,Heap 峰值增长约 2.58 GiB,并验证共享上传哈希、单次 attempt 与本地零落盘。 验证:go test ./... -count=1;go vet ./...;gofmt -l 无输出;kubectl kustomize deploy/kubernetes/production;10 MiB Gemini Base64 千任务压力测试通过。
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@@ -27,6 +27,34 @@ func TestPostgresPoolConfigRejectsMalformedURL(t *testing.T) {
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}
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}
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func TestPostgresPoolConfigWarmsBoundedIdleConnections(t *testing.T) {
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config, err := postgresPoolConfig(
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"postgresql://gateway:password@localhost:5432/gateway?sslmode=disable",
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24,
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)
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if err != nil {
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t.Fatalf("parse PostgreSQL pool config: %v", err)
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}
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if config.MaxConns != 24 || config.MinIdleConns != 24 {
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t.Fatalf(
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"pool bounds max=%d minIdle=%d, want 24/24",
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config.MaxConns,
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config.MinIdleConns,
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)
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}
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small, err := postgresPoolConfig(
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"postgresql://gateway:password@localhost:5432/gateway?sslmode=disable",
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4,
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)
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if err != nil {
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t.Fatalf("parse small PostgreSQL pool config: %v", err)
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}
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if small.MinIdleConns != 4 {
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t.Fatalf("small pool minIdle=%d, want 4", small.MinIdleConns)
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}
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}
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func TestIsPostgresUnavailableClassifiesConnectivityFailures(t *testing.T) {
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for _, testCase := range []struct {
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name string
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