Merge pull request #31927 from JoeRobich/fix-too-many-files

Set the ulimit higher to avoid too many open files when running build.sh

eng/build.sh

@@ -214,6 +214,12 @@ function BuildSolution {
     enable_analyzers=false
   fi
 
+  # NuGet often exceeds the limit of open files on Mac and Linux
+  # https://github.com/NuGet/Home/issues/2163
+  if [[ "$UNAME" == "Darwin" || "$UNAME" == "Linux" ]]; then
+    ulimit -n 6500
+  fi
+
   local quiet_restore=""
   if [[ "$ci" != true ]]; then
     quiet_restore=true