cartodb4/Windshaft-cartodb
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Get GC stats from dedicated binding

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This commit is contained in:
Daniel García Aubert 2019-01-03 11:47:54 +01:00
parent 3a4984c1ce
commit 5cad6e40c4
3 changed files with 457 additions and 3 deletions
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41
app.js
View File

@ -188,9 +188,46 @@ if (global.gc) {
if (gcInterval > 0) {
setInterval(function gcForcedCycle() {
var start = Date.now();
global.gc();
global.statsClient.timing('windshaft.gc', Date.now() - start);
}, gcInterval);
}
}
const gcStats = require('gc-stats')();
gcStats.on('stats', function ({ pauseMS, gctype }) {
global.statsClient.timing('windshaft.gc', pauseMS);
global.statsClient.timing(`windshaft.gctype.${getGCTypeValue(gctype)}`, pauseMS);
});
function getGCTypeValue (type) {
// 1: Scavenge (minor GC)
// 2: Mark/Sweep/Compact (major GC)
// 4: Incremental marking
// 8: Weak/Phantom callback processing
// 15: All
let value;
switch (type) {
case 1:
value = 'Scavenge';
break;
case 2:
value = 'MarkSweepCompact';
break;
case 4:
value = 'IncrementalMarking';
break;
case 8:
value = 'ProcessWeakCallbacks';
break;
case 15:
value = 'All';
break;
default:
value = 'Unkown';
break;
}
return value;
}

416
package-lock.json generated
View File

@ -1099,6 +1099,422 @@
"wide-align": "^1.1.0"
}
},
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},
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}
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},
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3
package.json
View File

@ -35,6 +35,7 @@
"dot": "1.1.2",
"express": "4.16.3",
"fastly-purge": "1.0.1",
"gc-stats": "1.2.1",
"glob": "7.1.2",
"log4js": "github:cartodb/log4js-node#cdb",
"lru-cache": "4.1.3",
@ -73,5 +74,5 @@
"node": "6.9.2 || >= 10.14.2",
"npm": "3.10.9 || 3.10.10 || >= 6.4.1",
"yarn": "0.27.5"
}
}
}