diff --git a/runtime/lua/vim/lsp/log.lua b/runtime/lua/vim/lsp/log.lua
index 2848b380be..6c58d27368 100644
--- a/runtime/lua/vim/lsp/log.lua
+++ b/runtime/lua/vim/lsp/log.lua
@@ -33,6 +33,17 @@ do
 
   vim.fn.mkdir(vim.fn.stdpath('cache'), "p")
   local logfile = assert(io.open(logfilename, "a+"))
+
+  local log_info = vim.loop.fs_stat(logfilename)
+  if log_info and log_info.size > 1e9 then
+    local warn_msg = string.format(
+      "LSP client log is large (%d MB): %s",
+      log_info.size / (1000 * 1000),
+      logfilename
+    )
+    vim.notify(warn_msg)
+  end
+
   -- Start message for logging
   logfile:write(string.format("[START][%s] LSP logging initiated\n", os.date(log_date_format)))
   for level, levelnr in pairs(log.levels) do
diff --git a/test/functional/plugin/lsp_spec.lua b/test/functional/plugin/lsp_spec.lua
index 39e9ed54c0..8423ace232 100644
--- a/test/functional/plugin/lsp_spec.lua
+++ b/test/functional/plugin/lsp_spec.lua
@@ -132,38 +132,35 @@ end
 describe('LSP', function()
   before_each(function()
     clear_notrace()
+    -- Run an instance of nvim on the file which contains our "scripts".
+    -- Pass TEST_NAME to pick the script.
+    local test_name = "basic_init"
+    exec_lua([=[
+      lsp = require('vim.lsp')
+      local test_name, fixture_filename, logfile = ...
+      function test__start_client()
+        return lsp.start_client {
+          cmd_env = {
+            NVIM_LOG_FILE = logfile;
+          };
+          cmd = {
+            vim.v.progpath, '-Es', '-u', 'NONE', '--headless',
+            "-c", string.format("lua TEST_NAME = %q", test_name),
+            "-c", "luafile "..fixture_filename;
+          };
+          root_dir = vim.loop.cwd();
+        }
+      end
+      TEST_CLIENT1 = test__start_client()
+    ]=], test_name, fake_lsp_code, fake_lsp_logfile)
+  end)
+
+  after_each(function()
+    exec_lua("lsp._vim_exit_handler()")
+   -- exec_lua("lsp.stop_all_clients(true)")
   end)
 
   describe('server_name specified', function()
-    before_each(function()
-      -- Run an instance of nvim on the file which contains our "scripts".
-      -- Pass TEST_NAME to pick the script.
-      local test_name = "basic_init"
-      exec_lua([=[
-        lsp = require('vim.lsp')
-        local test_name, fixture_filename, logfile = ...
-        function test__start_client()
-          return lsp.start_client {
-            cmd_env = {
-              NVIM_LOG_FILE = logfile;
-            };
-            cmd = {
-              vim.v.progpath, '-Es', '-u', 'NONE', '--headless',
-              "-c", string.format("lua TEST_NAME = %q", test_name),
-              "-c", "luafile "..fixture_filename;
-            };
-            root_dir = vim.loop.cwd();
-          }
-        end
-        TEST_CLIENT1 = test__start_client()
-      ]=], test_name, fake_lsp_code, fake_lsp_logfile)
-    end)
-
-    after_each(function()
-      exec_lua("lsp._vim_exit_handler()")
-     -- exec_lua("lsp.stop_all_clients(true)")
-    end)
-
     it('start_client(), stop_client()', function()
       retry(nil, 4000, function()
         eq(1, exec_lua('return #lsp.get_active_clients()'))