next/dist/esm/lib/memory/shutdown.js

The React Framework

import { info } from '../../build/output/log';
import { bold } from '../picocolors';
import { getGcEvents, stopObservingGc } from './gc-observer';
import { getAllMemoryUsageSpans, stopPeriodicMemoryUsageTracing } from './trace';
export function disableMemoryDebuggingMode() {
    stopPeriodicMemoryUsageTracing();
    stopObservingGc();
    info(bold('Memory usage report:'));
    const gcEvents = getGcEvents();
    const totalTimeInGcMs = gcEvents.reduce((acc, event)=>acc + event.duration, 0);
    info(` - Total time spent in GC: ${totalTimeInGcMs.toFixed(2)}ms`);
    const allMemoryUsage = getAllMemoryUsageSpans();
    const peakHeapUsage = Math.max(...allMemoryUsage.map((usage)=>usage['memory.heapUsed']));
    const peakRssUsage = Math.max(...allMemoryUsage.map((usage)=>usage['memory.rss']));
    info(` - Peak heap usage: ${(peakHeapUsage / 1024 / 1024).toFixed(2)} MB`);
    info(` - Peak RSS usage: ${(peakRssUsage / 1024 / 1024).toFixed(2)} MB`);
}

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