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fix: scale converter workers with CPU count #31

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Merged
juliusknorr merged 1 commit into from
Jun 18, 2026
Merged

fix: scale converter workers with CPU count #31

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25 changes: 4 additions & 21 deletions FileConverter/sources/convertermaster.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,22 +33,16 @@ const operationContext = require('./../../Common/sources/operationContext');
const runtimeConfigManager = require('./../../Common/sources/runtimeConfigManager');

if (cluster.isMaster) {
const fs = require('fs');
const os = require('os');
const license = require('./../../Common/sources/license');

const cfgLicenseFile = config.get('license.license_file');
const cfgMaxProcessCount = config.get('FileConverter.converter.maxprocesscount');

let workersCount = 0;
const readLicense = async function () {
const updateWorkersCount = function () {
const numCPUs = os.cpus().length;
const availableParallelism = os.availableParallelism?.();
operationContext.global.logger.warn('num of CPUs: %d; availableParallelism: %s', numCPUs, availableParallelism);
workersCount = Math.ceil((availableParallelism || numCPUs) * cfgMaxProcessCount);
const [licenseInfo] = await license.readLicense(cfgLicenseFile);
workersCount = Math.min(licenseInfo.count, workersCount);
//todo send license to workers for multi-tenancy
};
const updateWorkers = () => {
let i;
Expand All @@ -67,25 +61,14 @@ if (cluster.isMaster) {
}
}
};
const updateLicense = async () => {
try {
await readLicense();
operationContext.global.logger.warn('update cluster with %s workers', workersCount);
updateWorkers();
} catch (err) {
operationContext.global.logger.error('updateLicense error: %s', err.stack);
}
};

cluster.on('exit', (worker, code, signal) => {
operationContext.global.logger.warn('worker %s died (code = %s; signal = %s).', worker.process.pid, code, signal);
updateWorkers();
});

updateLicense();

fs.watchFile(cfgLicenseFile, updateLicense);
setInterval(updateLicense, 86400000);
updateWorkersCount();
operationContext.global.logger.warn('update cluster with %s workers', workersCount);
updateWorkers();
} else {
const converter = require('./converter');
converter.run();
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