Nodejs memory limit configuration

While I trying to change memory configuration of node application, I found some documents related..

https://nodejs.org/api/v8.html
The document says "The V8 options available for a version of node.js".
We can find list of options from below link.
https://github.com/thlorenz/v8-flags/blob/master/flags-0.11.md

By change old_space_size option

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node --max-old-space-size=1024 my-node-script.js #increase to 1gb node --max-old-space-size=2048 my-node-script.js #increase to 2gb node --max-old-space-size=3072 my-node-script.js #increase to 3gb node --max-old-space-size=4096 my-node-script.js #increase to 4gb node --max-old-space-size=5120 my-node-script.js #increase to 5gb node --max-old-space-size=6144 my-node-script.js #increase to 6gb node --max-old-space-size=7168 my-node-script.js #increase to 7gb node --max-old-space-size=8192 my-node-script.js #increase to 8gb