Cold starts on Edge?

import { Client } from "@planetscale/database";

export const runtime = 'edge' // 'nodejs' (default) | 'edge'

const db = new Client({
  url: process.env["DATABASE_URL"],
});

export async function GET() {
  const startTime = new Date().getTime(); // Start timestamp

  const conn = db.connection();
  const subjectList = await conn.execute("SELECT name from subjects"); // Specify the type as Subject[]

  const rows = subjectList.rows; // Get the "rows" property

  const json = JSON.stringify(rows);

  const endTime = new Date().getTime(); // End timestamp
  const durationInMs = endTime - startTime; // Calculate the duration in milliseconds

  console.log(`Execution time with edge: ${durationInMs}ms`); // Print the duration to the console

  return new Response(json, {
    headers: {
      "content-type": "application/json;charset=UTF-8",
      "access-control-allow-origin": "*",
    },
  });
}

import { Client } from "@planetscale/database";

export const runtime = 'edge' // 'nodejs' (default) | 'edge'

const db = new Client({
  url: process.env["DATABASE_URL"],
});

export async function GET() {
  const startTime = new Date().getTime(); // Start timestamp

  const conn = db.connection();
  const subjectList = await conn.execute("SELECT name from subjects"); // Specify the type as Subject[]

  const rows = subjectList.rows; // Get the "rows" property

  const json = JSON.stringify(rows);

  const endTime = new Date().getTime(); // End timestamp
  const durationInMs = endTime - startTime; // Calculate the duration in milliseconds

  console.log(`Execution time with edge: ${durationInMs}ms`); // Print the duration to the console

  return new Response(json, {
    headers: {
      "content-type": "application/json;charset=UTF-8",
      "access-control-allow-origin": "*",
    },
  });
}