diff --git a/redfish-core/include/redfish_aggregator.hpp b/redfish-core/include/redfish_aggregator.hpp
index 335c64e..680e1b0 100644
--- a/redfish-core/include/redfish_aggregator.hpp
+++ b/redfish-core/include/redfish_aggregator.hpp
@@ -728,7 +728,7 @@
         std::function<void(crow::Response&)> cb =
             std::bind_front(processResponse, prefix, asyncResp);
 
-        std::string data = thisReq.req.body();
+        std::string data = thisReq.body();
         boost::urls::url url(sat->second);
         url.set_path(path);
         if (targetURI.has_query())
@@ -756,7 +756,7 @@
             {
                 url.set_query(thisReq.url().query());
             }
-            std::string data = thisReq.req.body();
+            std::string data = thisReq.body();
             client.sendDataWithCallback(std::move(data), url, thisReq.fields(),
                                         thisReq.method(), cb);
         }
@@ -781,7 +781,7 @@
             boost::urls::url url(sat.second);
             url.set_path(thisReq.url().path());
 
-            std::string data = thisReq.req.body();
+            std::string data = thisReq.body();
 
             client.sendDataWithCallback(std::move(data), url, thisReq.fields(),
                                         thisReq.method(), cb);
@@ -874,8 +874,8 @@
         if (boost::iequals(contentType, "application/json") ||
             boost::iequals(contentType, "application/json; charset=utf-8"))
         {
-            nlohmann::json jsonVal = nlohmann::json::parse(resp.body(), nullptr,
-                                                           false);
+            nlohmann::json jsonVal = nlohmann::json::parse(*resp.body(),
+                                                           nullptr, false);
             if (jsonVal.is_discarded())
             {
                 BMCWEB_LOG_ERROR("Error parsing satellite response as JSON");
@@ -898,7 +898,7 @@
         {
             // We allow any Content-Type that is not "application/json" now
             asyncResp->res.result(resp.result());
-            asyncResp->res.write(resp.body());
+            asyncResp->res.copyBody(resp);
         }
         addAggregatedHeaders(asyncResp->res, resp, prefix);
     }
@@ -927,7 +927,7 @@
             if (asyncResp->res.resultInt() != 200)
             {
                 asyncResp->res.result(resp.result());
-                asyncResp->res.write(resp.body());
+                asyncResp->res.copyBody(resp);
             }
             return;
         }
@@ -938,8 +938,8 @@
         if (boost::iequals(contentType, "application/json") ||
             boost::iequals(contentType, "application/json; charset=utf-8"))
         {
-            nlohmann::json jsonVal = nlohmann::json::parse(resp.body(), nullptr,
-                                                           false);
+            nlohmann::json jsonVal = nlohmann::json::parse(*resp.body(),
+                                                           nullptr, false);
             if (jsonVal.is_discarded())
             {
                 BMCWEB_LOG_ERROR("Error parsing satellite response as JSON");
@@ -1061,7 +1061,7 @@
             if (asyncResp->res.resultInt() != 200)
             {
                 asyncResp->res.result(resp.result());
-                asyncResp->res.write(resp.body());
+                asyncResp->res.copyBody(resp);
             }
             return;
         }
@@ -1073,8 +1073,8 @@
             boost::iequals(contentType, "application/json; charset=utf-8"))
         {
             bool addedLinks = false;
-            nlohmann::json jsonVal = nlohmann::json::parse(resp.body(), nullptr,
-                                                           false);
+            nlohmann::json jsonVal = nlohmann::json::parse(*resp.body(),
+                                                           nullptr, false);
             if (jsonVal.is_discarded())
             {
                 BMCWEB_LOG_ERROR("Error parsing satellite response as JSON");
diff --git a/redfish-core/lib/log_services.hpp b/redfish-core/lib/log_services.hpp
index 116bc8a..54284cf 100644
--- a/redfish-core/lib/log_services.hpp
+++ b/redfish-core/lib/log_services.hpp
@@ -766,8 +766,9 @@
         return;
     }
 
-    asyncResp->res.body().resize(static_cast<size_t>(size), '\0');
-    rc = read(fd, asyncResp->res.body().data(), asyncResp->res.body().size());
+    std::string body;
+    body.resize(static_cast<size_t>(size), '\0');
+    rc = read(fd, body.data(), body.size());
     if ((rc == -1) || (rc != size))
     {
         BMCWEB_LOG_ERROR("Failed to read in file");
@@ -776,16 +777,17 @@
         return;
     }
     close(fd);
-
     if (downloadEntryType == "System")
     {
-        // We need to encode the data.  Doing it this way saves the other paths
-        // from having to make a copy into a temporary variable.
-        asyncResp->res.body() =
-            crow::utility::base64encode(asyncResp->res.body());
+        // Base64 encode response.
+        asyncResp->res.write(crow::utility::base64encode(body));
         asyncResp->res.addHeader(
             boost::beast::http::field::content_transfer_encoding, "Base64");
     }
+    else
+    {
+        asyncResp->res.write(std::move(body));
+    }
 
     asyncResp->res.addHeader(boost::beast::http::field::content_type,
                              "application/octet-stream");
@@ -3545,14 +3547,11 @@
                 return;
             }
 
-            if (!std::filesystem::exists(dbusFilepath))
+            if (!asyncResp->res.openFile(dbusFilepath))
             {
                 messages::resourceNotFound(asyncResp->res, "LogEntry", logID);
                 return;
             }
-            std::ifstream ifs(dbusFilepath, std::ios::in | std::ios::binary);
-            asyncResp->res.body() =
-                std::string(std::istreambuf_iterator<char>{ifs}, {});
 
             // Configure this to be a file download when accessed
             // from a browser
@@ -4314,7 +4313,7 @@
                                      "application/octet-stream");
             asyncResp->res.addHeader(
                 boost::beast::http::field::content_transfer_encoding, "Base64");
-            asyncResp->res.body() = crow::utility::base64encode(strData);
+            asyncResp->res.write(crow::utility::base64encode(strData));
         },
             "xyz.openbmc_project.State.Boot.PostCode0",
             "/xyz/openbmc_project/State/Boot/PostCode0",