24 lines
849 B
JavaScript
24 lines
849 B
JavaScript
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const v8 = require('node:v8');
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const megabyte = 1024 * 1024;
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let lastReportTime = 0;
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let lastHeapSize = 0;
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setInterval(() => {
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try {
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const now = Date.now();
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const { used_heap_size, heap_size_limit } = v8.getHeapStatistics();
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const diffPct = Math.abs(used_heap_size - lastHeapSize) / lastHeapSize;
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if (now - lastReportTime >= 30_000 || diffPct >= 0.1) {
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lastReportTime = Date.now();
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PrintStructuredTrace(JSON.stringify({
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type: 'txAdminLogNodeHeap',
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used: parseFloat((used_heap_size / megabyte).toFixed(2)),
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limit: parseFloat((heap_size_limit / megabyte).toFixed(2)),
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}));
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}
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} catch (error) {
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const msg = `Error reporting heap: ${error.message}`;
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console.log(`^5[txAdmin]^1${msg}^0`);
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}
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}, 5_000);
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