release: cut 1.0.47 — connector supervision + bot-to-bot @-mention (#548)

internal/helpers/connect_fdlimit_unix.go

@@ -0,0 +1,19 @@
+//go:build !windows
+
+package helpers
+
+import (
+	"fmt"
+	"os"
+	"syscall"
+)
+
+func checkFDLimit() {
+	var rlim syscall.Rlimit
+	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlim); err != nil {
+		return
+	}
+	if rlim.Cur < 512 {
+		fmt.Fprintf(os.Stderr, "[connect][warn] 文件描述符上限 %d 偏低，多 agent 并发连接可能不稳定；建议 ulimit -n 1024\n", rlim.Cur)
+	}
+}