Bingo! Apache HTP-Server won't fork more than 3000 processes.

[Martin <keine-eile@online.de>]

Am 18.09.2018 um 13:57 schrieb Martin:
> Am 18.09.2018 um 13:40 schrieb Mirko Parthey:
>> On Tue, Sep 18, 2018 at 12:37:48PM +0200, Martin wrote:
>>>> # cd /sys/fs/cgroup/pids/...
>>>> # cat pids.max
>>>
>>> There is no pids.max
>>> But I have a /proc/sys/kernel/pid_max = 32768
>>> I guess like systemd is limiting here?
>>>
>>>> How many tasks are assigned to the cgroup?
>>>> # wc -l tasks
>>>
>>> 103 tasks
>>
>> On a Debian stretch VM (32 bit), I found:
>>
>> root@stretch32:/sys/fs/cgroup/pids/system.slice/apache2.service# cat pids.max 
>> 4915
>>
>> root@stretch32:/sys/fs/cgroup/pids/system.slice/apache2.service# wc -l tasks 
>> 55 tasks
>  
> This is quite interesting. ps shows 3000 httpd processes, pids.max is 6000 and tasks is 6000, too.
> Let my have a look, where this  pids.max number originates....
> 

systemctl set-property apache2.service TasksMax=12000
does the trick for me!

Now let's have a look, what happens to the memory...

Thanks & cheers, Martin