Also thanks Vasya for your active participation!
# mem check with
smem | grep www
# driving some requests via
for j in $(seq 1 10); do for i in $(seq 1 100); do (wget
http://10.0.4.156/index.php &); done; sleep 11s; done
# getting the php imagick dependencies
$ apt-get install php-imagick
$ sudo service lighttpd restart
And I modified the test code according to our discussion to:
<?php
header("Content-Type: text/plain");
ini_set('max_execution_time', 10);
$image = new \Imagick();
$image->newImage(8192, 8192, new ImagickPixel('red'), 'jpg');
echo "Leaking " . memory_get_usage() . "\n";
#busy wait until killed, and consume execution time (so no sleep)
$st_tm = time();
$diff=0;
while (1){
if ((time() - $st_tm) > $diff) {
$diff=(time() - $st_tm);
echo "Waiting to Die " . date('h:i:s') . "\n";
flush();
}
}
?>
But that is only leaking like 350k each time and never grows above.
But while doing so I think I have found that the processes stay at the size
they get.
In my former examples I leaked ~50-60M and that was the size.
Here the size stayed at some hundred KB which matches the Leak.
OTOH No matter how much requests I have thrown against it it never behaved like
a leak to slowly add up.
So maybe it is not a "leak" which adds up over time, but instead just excessive
memory needs?.
Id expect some other max barrier to kick in, but lets check this by verifying
this next.
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https://bugs.launchpad.net/bugs/1677578
Title:
php-fcgi: max_execution_time causes memory leaks
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