Added memory profiler configuration options.

src/app.js

@@ -1,5 +1,6 @@
 'use strict';
 
+const config = require('config');
 const util = require('util');
 const log = require('why-is-node-running');
 const Inspector = require('inspector-api');
@@ -84,7 +85,7 @@ async function startMemorySample(snapshotTriggers = []) {
 async function init() {
 	try {
 		if (argv.sampleMemory) {
-			await startMemorySample([1000]);
+			await startMemorySample(config.memorySampling.snapshotIntervals);
 		}
 
 		if (argv.logActive) {

src/argv.js

@@ -247,6 +247,12 @@ const { argv } = yargs
 		type: 'boolean',
 		default: process.env.NODE_ENV === 'development',
 	})
+	.option('sampleMemory', {
+		alias: 'memory',
+		describe: 'Take memory allocation samples, and snapshots at configured intervals',
+		type: 'boolean',
+		default: config.memorySampling.enabled,
+	})
 	.option('update-search', {
 		describe: 'Update search documents for all releases.',
 		type: 'boolean',