<div dir="ltr">yes, max memory size is customizabe even for Blank template<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jul 26, 2017 at 4:32 PM, Ladislav Humenik <span dir="ltr"><<a href="mailto:ladislav.humenik@1und1.de" target="_blank">ladislav.humenik@1und1.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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Hello, thank you for fast response.<br>
<br>
The point of changing the max_mem_size is little tricky, as we have
environments with together ~13k VMs running on top of ovirt, no
kidding :) and currently doing upgrades from 3.6 > 4.1. So we can
easy set those values to the needed ones for every VM, thats not a
big deal. <br>
<br>
However, I was just hoping it is editable without changing/modifying
our current API calls, for any newly created VM (as this is the
reason for asking for help), somewhere in engine-config or in DB.<br>
<br>
I'll just opened an RFE
<a class="m_-4045376234297607058moz-txt-link-freetext" href="https://bugzilla.redhat.com/show_bug.cgi?id=1475382" target="_blank">https://bugzilla.redhat.com/<wbr>show_bug.cgi?id=1475382</a><br>
<br>
Best regards,<br>
Ladislav Humenik<div><div class="h5"><br>
<br>
<div class="m_-4045376234297607058moz-cite-prefix">On 26.07.2017 15:58, Michal Skrivanek
wrote:<br>
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<div>On 26 Jul 2017, at 16:50, Jakub Niedermertl <<a href="mailto:jniederm@redhat.com" target="_blank">jniederm@redhat.com</a>> wrote:</div>
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<div>Hello Ladislav,<br>
<br>
</div>
the function computing size of default maximum
memory size is currently not configurable from DB.<br>
<br>
</div>
If you want it to be so please feel free to file an
RFE [1].<br>
<br>
[1]: <a href="https://bugzilla.redhat.com/enter_bug.cgi?product=ovirt-engine" target="_blank">https://bugzilla.redhat.com/<wbr>enter_bug.cgi?product=ovirt-<wbr>engine</a><br>
<br>
</div>
Best regards,<br>
</div>
Jakub<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Jul 26, 2017 at 1:59 PM,
Ladislav Humenik <span dir="ltr"><<a href="mailto:ladislav.humenik@1und1.de" target="_blank">ladislav.humenik@1und1.de</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hallo,
after engine update to 4.1.2 from 4.0.6 we have
following bug<br>
<br>
*Your Future Description: *<br>
<br>
Maximum memory value is stored in
|VmBase.maxMemorySizeMb| property. It is validated
against range [/memory of VM/, /*MaxMemorySizeInMB/],
where /*MaxMemorySizeInMB/ is one of
|VM32BitMaxMemorySizeInMB|, |VM64BitMaxMemorySizeInMB|
and |VMPpc64BitMaxMemorySizeInMB| configuration
options depending on selected operating system of the
VM. Default value in webadmin UI is 4x size of memory.<br>
<br>
During migration of engine 4.0 -> 4.1 all VM-like
entities will get max memory = 4x memory.<br>
<br>
If a VM (or template) is imported (from export domain,
snapshot, external system) and doesn't have max memory
set yet, the maximum value of max memory is set
(|*MaxMemorySizeInMB| config options).<br>
<br>
*Our engine settings:*<br>
[root@ovirt]# engine-config -g
VM64BitMaxMemorySizeInMB<br>
VM64BitMaxMemorySizeInMB: 8388608 version: 4.1<br>
VM64BitMaxMemorySizeInMB: 8388608 version: 3.6<br>
VM64BitMaxMemorySizeInMB: 8388608 version: 4.0<br>
[root@ovirt# engine-config -g VM32BitMaxMemorySizeInMB<br>
VM32BitMaxMemorySizeInMB: 20480 version: general<br>
<br>
*Template:<br>
*engine=# select vm_guid,vm_name,mem_size_mb,ma<wbr>x_memory_size_mb from vm_static where
vm_name LIKE 'Blank';<br>
vm_guid | vm_name |
mem_size_mb | max_memory_size_mb<br>
------------------------------<wbr>--------+---------+-----------<wbr>--+--------------------<br>
00000000-0000-0000-0000-00000<wbr>0000000 |
Blank | 8192 | 32768<br>
(1 row)<br>
<br>
*Created VM*<br>
- expected is mem_size_mb * VM64BitMaxMemorySizeInMB<br>
- we get mem_size_mb * 4 (default)<br>
<br>
*Engine: *engine=# select
vm_guid,vm_name,mem_size_mb,ma<wbr>x_memory_size_mb
from vm_static where vm_name LIKE 'vm-hotplug%';<br>
vm_guid | vm_name |
mem_size_mb | max_memory_size_mb<br>
------------------------------<wbr>--------+-------------+-------<wbr>------+--------------------<br>
254a0c61-3c0a-41e7-a2ec-5f77c<wbr>abbe533 |
vm-hotplug | 1024 | 4096<br>
c0794a03-58ba-4e68-8f43-e0320<wbr>032830c |
vm-hotplug2 | 3072 | 12288<br>
(2 rows)<br>
<br>
*Question:*<br>
It is possible to change this (default * 4) behavior
in DB??<br>
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<div>if the issue is with GUI then setting the max memory in the
template would be inherited to all VMs from that template, you
can even change that in “Blank” I think, Jakube?</div>
<div>That’s for the default case, you can change that any way you
like for the concrete VM you’re creating.</div>
<div>
<div>if the issue is with API you can simply provide any number
for the max mem in all the requests</div>
<div><br>
</div>
<div>the VM[64|32]BitMaxMemorySizeInMB values are for the total
maximum the particular qemu we ship supports, it’s not
anything you should need to change.</div>
<div><br>
</div>
</div>
<div>Thanks,</div>
<div>michal</div>
<div><br>
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<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Kind Regards,<br>
Ladislav Humenik, System administrator<br>
<br>
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</div></div><pre class="m_-4045376234297607058moz-signature" cols="72">--
Ladislav Humenik
System administrator / VI
IT Operations Hosting Infrastructure
1&1 Internet SE | Ernst-Frey-Str. 5 | 76135 Karlsruhe | Germany
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