diff --git a/runtime/lua/vim/lsp/log.lua b/runtime/lua/vim/lsp/log.lua
index 2848b380be..e25db333f9 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