code improvements

Cargo.lock

@@ -197,6 +197,15 @@ version = "3.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4a45a46ab1f2412e53d3a0ade76ffad2025804294569aae387231a0cd6e0899"
 
+[[package]]
+name = "byte-unit"
+version = "4.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95ebf10dda65f19ff0f42ea15572a359ed60d7fc74fdc984d90310937be0014b"
+dependencies = [
+ "utf8-width",
+]
+
 [[package]]
 name = "bytemuck"
 version = "1.9.1"
@@ -2358,6 +2367,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "utf8-width"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5190c9442dcdaf0ddd50f37420417d219ae5261bbf5db120d0f9bab996c9cba1"
+
 [[package]]
 name = "uuid"
 version = "0.8.2"
@@ -2768,6 +2783,7 @@ dependencies = [
  "base64",
  "benchmarks",
  "bincode",
+ "byte-unit",
  "cfg-if 1.0.0",
  "console_error_panic_hook",
  "const_format",