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Request #70605 Option to attach a pool to a cgroup
Submitted: 2015-09-30 09:37 UTC Modified: 2017-04-10 18:56 UTC
Votes:3
Avg. Score:3.0 ± 1.4
Reproduced:2 of 2 (100.0%)
Same Version:2 (100.0%)
Same OS:2 (100.0%)
From: framelio at gmail dot com Assigned: bukka (profile)
Status: Assigned Package: FPM related
PHP Version: 7.0.0 OS: Unix
Private report: No CVE-ID: None
View Developer Edit
 [2015-09-30 09:37 UTC] framelio at gmail dot com 
Description:
------------
Would be nice to have the possibility to attach a PHP pool to a Control Group (kernel feature).

This will allow to set cpu, io, memory limits at kernel level.

https://www.kernel.org/doc/Documentation/cgroups/cgroups.txt

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 [2015-10-01 11:33 UTC] framelio at gmail dot com
-PHP Version: 7.0.0RC3 +PHP Version: 7.0.0
 [2015-10-01 11:33 UTC] framelio at gmail dot com 
Another nice feature would be to attach the pool to a namespace with setns().

This would allow a safer chroot environment.
 [2017-04-10 18:56 UTC] bukka@php.net
-Status: Open +Status: Assigned -Assigned To: +Assigned To: bukka
 [2017-04-10 18:56 UTC] bukka@php.net 
It's currently discussed in

https://github.com/php/php-src/pull/2440

I have some interest in it so assigning myself...
 [2020-12-19 18:35 UTC] martynas at martynas dot it 
Is support for linux namespaces and cgroupsv2 still planned? At this time it's required to start php-fpm process per-user to get them into user slices (and get the limitations in effect), this adds lots of overhead...
 
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