passing v8 options to workers

[gitfy]

Hi,
How do i pass the v8 options to the cluster workers. I need to pass --max-old-space-size=1900 to all my workers, but somehow looks like the option is not passed and the node process dies when it eventually reaches the max mem of 1gb.

Thanks.

[tj]

hmm they should be passing fine:

  this.proc = spawn(
      node
    , this.master.cmd
    , { customFds: customFds, env: env });

where for example this.master.cmd in my case was [ '/Users/tj/projects/cluster/examples/basic', '--crankshaft' ]

passing along the args just fine

[gitfy]

The issues is :
node options or v8 options should be passed like

node [options] script.js [app-options]

The spawn parameter this.master.cmd should have the node/v8-options as the first entry rather than second in the list. Only then it will work.

Here is an example of the process list from my machine :

501 10261 10257 4006 0 33 0 4741568 1391092 - R+ f967540 ttys000 27:49.01 node --max-old-space-size=1900 cluster.js --port=7100 --workers=4 --noref
501 10263 10261 4006 0 33 0 3413968 113820 - S+ f3dd7e0 ttys000 13:14.86 node cluster.js --port=7100 --workers=4 --noref
501 10264 10261 4006 0 33 0 3821540 563684 - R+ ee0f540 ttys000 3:56.97 node cluster.js --port=7100 --workers=4 --noref
501 10265 10261 4006 0 33 0 3418996 108628 - S+ 13ee4000 ttys000 10:12.39 node cluster.js --port=7100 --workers=4 --noref
501 10266 10261 4006 0 33 0 3396816 103820 - S+ f3dd540 ttys000 13:20.19 node cluster.js --port=7100 --workers=4 --noref

as you can see the cluster has the option, but the worker don't have at all.

[tj]

ah ok I see now

[tj]

doesn't seem like node exposes those args, not that I can see at least

[gitfy]

Node FAQ mentions about this and also i checked the behavior with a single node process and it works.

https://github.com/joyent/node/wiki/FAQ