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Cpu limit #3912

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Cpu limit #3912

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78ef195
feature: added support for cpu_limit option for apps
deanrather Sep 14, 2018
f073766
chore: remove coffee-script accidentally added by running test suite
deanrather Sep 14, 2018
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5 changes: 5 additions & 0 deletions lib/API/schema.json
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,11 @@
"docDefault": "~/.pm2/pids/app_name-id.pid",
"docDescription": "File path where the pid of the started process is written by pm2"
},
"cpu_limit": {
"type": "number",
"docDefault": 0,
"docDescription": "Max percentage of a CPU core to allow this app to use"
},
"restart_delay": {
"type" : "number",
"docDefault": 0,
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16 changes: 16 additions & 0 deletions lib/God/ForkMode.js
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Expand Up @@ -112,6 +112,22 @@ module.exports = function ForkMode(God) {
cspr.process.pid = cspr.pid;
cspr.pm2_env = pm2_env;

// limit CPU
if (pm2_env.cpu_limit) {
var cpuLimiter = require('cpulimit');
var cpuLimiterOptions = {
limit: pm2_env.cpu_limit,
includeChildren: true,
pid: cspr.process.pid
};
cpuLimiter.createProcessFamily(cpuLimiterOptions, function (err, processFamily) {
if (err) {
return;
}
cpuLimiter.limit(processFamily, cpuLimiterOptions);
});
}

cspr.stderr.on('data', function forkErrData(data) {
var log_data = null;

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1 change: 1 addition & 0 deletions package.json
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Expand Up @@ -167,6 +167,7 @@
"chokidar": "^2.0.4",
"cli-table-redemption": "^1.0.0",
"commander": "2.15.1",
"cpulimit": "git+https://github.com/vangelov/node-cpulimit.git",
"cron": "^1.3",
"debug": "^3.1",
"eventemitter2": "5.0.1",
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