kunthawat
2d1be52177
Fixes: 1. media.ts: wrap placeholder generation in try-catch 2. toolbar.ts: check r.ok, display error message in popover
56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Identify queries that fire on cold but not warm in the d1 target —
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* the cold-isolate startup tax.
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*/
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import { readFileSync, readdirSync } from "node:fs";
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import { dirname, resolve } from "node:path";
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import { fileURLToPath } from "node:url";
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const dir = resolve(__dirname, "d1");
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function normalize(sql) {
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return sql.replace(/\s+/g, " ").trim();
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}
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const routeOrder = [
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"root",
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"posts",
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"posts_building_for_the_long_term",
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"pages_about",
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"category_development",
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"tag_webdev",
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"rss_xml",
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"search",
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];
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const coldOnlyAcc = new Map(); // sql -> count
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for (const r of routeOrder) {
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const coldFile = resolve(dir, `${r}.cold.json`);
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const warmFile = resolve(dir, `${r}.warm.json`);
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const cold = JSON.parse(readFileSync(coldFile, "utf8"));
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const warm = JSON.parse(readFileSync(warmFile, "utf8"));
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const warmSet = new Map();
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for (const e of warm) warmSet.set(normalize(e.sql), (warmSet.get(normalize(e.sql)) || 0) + 1);
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for (const e of cold) {
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const n = normalize(e.sql);
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const wcount = warmSet.get(n) || 0;
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if (wcount > 0) {
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warmSet.set(n, wcount - 1);
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} else {
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coldOnlyAcc.set(n, (coldOnlyAcc.get(n) || 0) + 1);
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}
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}
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}
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const sorted = [...coldOnlyAcc.entries()].sort((a, b) => b[1] - a[1]);
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process.stdout.write(
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`# Cold-only queries (d1)\n\nQueries that appear in cold-phase dumps but not in matching warm-phase dumps. Aggregated across all routes.\n\n`,
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);
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process.stdout.write(`| count | sql |\n|---:|---|\n`);
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for (const [sql, count] of sorted) {
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process.stdout.write(`| ${count} | ${sql.slice(0, 200)} |\n`);
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}
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