Hundreds of electron process about electron-screenshot-service HOT 9 CLOSED

That sounds very strange. Is your application exited gracefully or crashing?

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We are using pm2 (https://github.com/Unitech/pm2) and doing pm2 restart. I am not exactly sure how it kill the process.

from electron-screenshot-service.

It looks like pm2 is sending a SIGINT to the process. So you might want to add the screenshot.close() call like this:

process.on('SIGINT', function() {
  screenshot.close();
});

from electron-screenshot-service.

Tried that... no luck. we still have hundreds of process.
BTW, we are using scale to 20. Is that related ?

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Scale 20 should just scale the amount to 20 processes (so approx. 20 electron + 20 electron helpers) But there could be more than 1 helper per site.

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Maybe using something like https://npmjs.org/package/child-killer when spawning the process could help ?

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This sounds really strange. Is the callback called by pm2? child-killer is polling every 100ms for each process, I would rather not do that. Which OS are you using?

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We are using Ubuntu 15.04.
What solved the problem is listening fro SIGTERM:

process.on('SIGTERM', function () {
        screenshot.close();

        setTimeout(function() {
            process.exit(0);
        }, 1000)
    });

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Glad you found a solution.

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