That looks like a PHP problem, not an Openshift problem. Have you tried
kicking up memory_limit in php.ini to 1024 or something?

-Erik

On Sat, Jun 8, 2019, 6:39 AM Samuel Martín Moro <faus...@gmail.com> wrote:

> The requested memory is the only sure thing you would get. If it differ
> from your memory limit, you should know that this limit is optional and not
> guaranteed.
>
> Try setting your requested memory to 1gb
>
> If you want openshit scheduler and/or oom to priorize that container,
> consider setting your Pod limits equals to it's requests. Make sure to set
> both cpu+memory values.
> Alternatievly, don't set requests, only limits.
> This would give your pod the "guaranteed" QoSClass, less likely to get
> evicted (see oc describe pod xxx)
>
> Regards.
>
> On Fri, Jun 7, 2019, 2:40 PM Ricardo Mendes <maveric...@outlook.pt> wrote:
>
>> Ola Ferry! ☺
>>
>>
>>
>> Thank you for your quick reply! I actually forgot to mention I had been
>> over that setting actually. I tried different values but currently its left
>> to this:
>>
>>
>>
>> cacti
>>
>> *Image:* polinux/cacti
>> <http://project/issc-monitoring/browse/images/cacti> 77b07bd 429.4 MiB
>>
>> *Ports:* 80/TCP, 81/TCP, 443/TCP
>>
>> *Mount:* cacti-volume → /data read-write
>>
>> *Memory:* 250 MiB to 1500 MiB
>>
>>
>>
>> As I’ve worked with cacti installs with hundreds of sources and still the
>> memory footprint was relatively low (around 1GB) I would assume this
>> settings would suffice.
>>
>> So just to make sure, master’s memory DOES NOT influence this, right?
>> (despite being 70% of 16GB)
>>
>>
>>
>> Best regards,
>>
>> Ricardo Mendes
>>
>>
>>
>>
>>
>> *From: *Ferry Manders <ferry.mand...@npo.nl>
>> *Date: *Friday, 7 June 2019 at 13:33
>> *To: *Ricardo Mendes <maveric...@outlook.pt>
>> *Cc: *OpenShift Users List <users@lists.openshift.redhat.com>
>> *Subject: *Re: Question about memory usage
>>
>>
>>
>> Ola,
>>
>> You probably have a default limit set on your installation or project, or
>> you have a limit set in your deployment that is 512MB memory (which is
>> 536,870,912 bytes)
>> You could set the memory limit higher on your deployment, please take a
>> look at the following doc for more information and examples :
>> https://docs.okd.io/latest/dev_guide/compute_resources.html
>>
>> With Regards,
>> --
>> Ferry Manders
>>
>>
>> Ricardo Mendes wrote on 07/06/2019 14:15:
>>
>> Hi all,
>>
>>
>>
>> I am fairly new to OpenShift and I’ve been fiddling around this past week.
>>
>> Yesterday I came across the following issue:
>>
>> While deploying an image of Cacti (Open-Source monitoring and RRD) I got
>> an error of exhausted memory.
>>
>>
>>
>> *Fatal error*: Allowed memory size of 536870912 bytes exhausted (tried
>> to allocate 20480 bytes) in */data/www/cacti/lib/database.php* on line
>> *252*
>>
>>
>>
>> My servers memory usage is:
>>
>> Master: 70% in use
>>
>> Infra: 35% in use
>>
>> Compute/node: 20%
>>
>>
>>
>> I can also confirm the POD is running on the node, and Cacti has a low
>> memory footprint actually, so, do I have to further increase the memory
>> available on the masters??
>>
>>
>>
>> Thanks!
>>
>> Best regards,
>>
>> Ricardo Mendes
>>
>>
>>
>>
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