svemagie/blog-eleventy-indiekit
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diag: persist memory profiling to file (log buffer gets flushed)

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Ricardo
2026-03-30 17:52:30 +02:00
parent a96787bef4
commit e0913fb976
1 changed files with 5 additions and 1 deletions
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6
eleventy.config.js
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@@ -13,7 +13,7 @@ import matter from "gray-matter";
import { createHash, createHmac } from "crypto"; import { createHash, createHmac } from "crypto";
import { createRequire } from "module"; import { createRequire } from "module";
import { execFileSync } from "child_process"; import { execFileSync } from "child_process";
import { readFileSync, readdirSync, existsSync, mkdirSync, writeFileSync, copyFileSync } from "fs"; import { readFileSync, readdirSync, existsSync, mkdirSync, writeFileSync, copyFileSync, appendFileSync } from "fs";
import { resolve, dirname } from "path"; import { resolve, dirname } from "path";
import { fileURLToPath } from "url"; import { fileURLToPath } from "url";
@@ -24,6 +24,8 @@ const __dirname = dirname(fileURLToPath(import.meta.url));
const siteUrl = process.env.SITE_URL || "https://example.com"; const siteUrl = process.env.SITE_URL || "https://example.com";
// Memory profiler — logs RSS + V8 heap at key build phases // Memory profiler — logs RSS + V8 heap at key build phases
// Writes to file (log buffer gets flushed by AP inbox traffic) AND stdout
const MEM_LOG = "/app/data/.eleventy-mem.log";
function logMemory(phase) { function logMemory(phase) {
const mem = process.memoryUsage(); const mem = process.memoryUsage();
const rss = (mem.rss / 1024 / 1024).toFixed(0); const rss = (mem.rss / 1024 / 1024).toFixed(0);
@@ -31,7 +33,9 @@ function logMemory(phase) {
const heapTotal = (mem.heapTotal / 1024 / 1024).toFixed(0); const heapTotal = (mem.heapTotal / 1024 / 1024).toFixed(0);
const external = (mem.external / 1024 / 1024).toFixed(0); const external = (mem.external / 1024 / 1024).toFixed(0);
const arrayBuffers = (mem.arrayBuffers / 1024 / 1024).toFixed(0); const arrayBuffers = (mem.arrayBuffers / 1024 / 1024).toFixed(0);
const line = `[${new Date().toISOString()}] ${phase}: RSS=${rss}MB heap=${heapUsed}/${heapTotal}MB external=${external}MB buffers=${arrayBuffers}MB`;
console.log(`[mem] ${phase}: RSS=${rss}MB heap=${heapUsed}/${heapTotal}MB external=${external}MB buffers=${arrayBuffers}MB`); console.log(`[mem] ${phase}: RSS=${rss}MB heap=${heapUsed}/${heapTotal}MB external=${external}MB buffers=${arrayBuffers}MB`);
try { appendFileSync(MEM_LOG, line + "\n"); } catch { /* not on Cloudron or not writable */ }
} }
export default function (eleventyConfig) { export default function (eleventyConfig) {