优化代码

internal/caches/errors.go

@@ -12,6 +12,7 @@ var (
 	ErrEntityTooLarge     = errors.New("entity too large")
 	ErrWritingUnavailable = errors.New("writing unavailable")
 	ErrWritingQueueFull   = errors.New("writing queue full")
+	ErrTooManyOpenFiles   = errors.New("too many open files")
 )
 
 // CapacityError 容量错误
@@ -36,7 +37,8 @@ func CanIgnoreErr(err error) bool {
 	if err == ErrFileIsWriting ||
 		err == ErrEntityTooLarge ||
 		err == ErrWritingUnavailable ||
-		err == ErrWritingQueueFull {
+		err == ErrWritingQueueFull ||
+		err == ErrTooManyOpenFiles {
 		return true
 	}
 	_, ok := err.(*CapacityError)