Index: userver/universal/src/hostinfo/blocking/get_hostname.cpp
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/userver/universal/src/hostinfo/blocking/get_hostname.cpp b/userver/universal/src/hostinfo/blocking/get_hostname.cpp
--- a/userver/universal/src/hostinfo/blocking/get_hostname.cpp
+++ b/userver/universal/src/hostinfo/blocking/get_hostname.cpp
@@ -20,18 +20,21 @@
 const auto kHostNameMax = MAXHOSTNAMELEN;
 #endif /* HOST_NAME_MAX */

-}  // namespace
+/*constinit*/ std::array<char, kHostNameMax> host_name{};

-std::string GetRealHostName() {
-  // NOLINTNEXTLINE(cppcoreguidelines-pro-type-member-init): performance
-  std::array<char, kHostNameMax> host_name;
+std::string_view DoGetRealHostName() {
   if (::gethostname(host_name.data(), host_name.size()) == -1) {
     const auto code = std::make_error_code(std::errc{errno});
     throw std::system_error(code, "Error while getting hostname");
   }
-
-  return host_name.data();
+  return std::string_view{host_name.data()};
 }
+
+const std::string_view host_name_view = DoGetRealHostName();
+
+}  // namespace
+
+std::string GetRealHostName() { return std::string{host_name_view}; }

 }  // namespace hostinfo::blocking