I use the follow code to run a PHP script in CLI environment within a
nodejs daemon.
The script takes the data in stdin performs the calculations and return
other data to stdout.
The problem is that to run the script with *child_process.spawn* and pipes
to an *increasing memory usage*. So I must to restart the node app every
little time.
I would like to keep constant the use of RAM.
In the example I use *cat* command to simulate my php script, but the
problem persists, *increasing use of memory* proportional to the number of
cycles in setInterval. And I use *setInterval* to simulate period execution
of the script.
var spawn = require('child_process').spawn;
var php = spawn('cat');
php.stdout.pipe(process.stdout);
var i = 0;
setInterval(function() {
php.stdin.write(++i);},10);
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