perf(postgres): 回收突发连接并等待验收副作用
失败 Run 的未提交任务已取消,但退款 outbox 尚未完成时下一轮会继承 API 连接高水位和 canceled acquire 增量,污染容量验收。 新增 AI_GATEWAY_DATABASE_MAX_CONN_IDLE_SECONDS,生产配置 30 秒回收突发空闲连接;验收中止后等待旧任务、退款、回调和数据库连接全部收敛后才允许新负载启动。 验证:Go 全量测试、gofmt、bash -n、ShellCheck、kubectl kustomize 和 git diff --check 通过。
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@@ -61,6 +61,7 @@ func TestPostgresPoolConfigSetsBoundedTransactionTimeouts(t *testing.T) {
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PostgresPoolOptions{
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MaxConns: 32,
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MinIdleConns: 4,
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MaxConnIdleTime: 30 * time.Second,
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IdleInTransactionTimeout: 60 * time.Second,
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LockTimeout: 30 * time.Second,
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},
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@@ -77,6 +78,9 @@ func TestPostgresPoolConfigSetsBoundedTransactionTimeouts(t *testing.T) {
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if config.MaxConns != 32 || config.MinIdleConns != 4 {
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t.Fatalf("pool bounds max=%d minIdle=%d, want 32/4", config.MaxConns, config.MinIdleConns)
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}
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if config.MaxConnIdleTime != 30*time.Second {
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t.Fatalf("pool max idle time=%s, want 30s", config.MaxConnIdleTime)
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}
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}
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func TestIsPostgresUnavailableClassifiesConnectivityFailures(t *testing.T) {
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