On Mon, Feb 22, 2021 at 4:10 PM Vrgotic, Marko <[email protected]> wrote: > > Hi Didi, > > > > I increased the RAM from 16 to 32 and change is instant on the VM, but as you > have mentioned, it does not get written right away to VM image. > > Upon reboot its back to 16GB RAM. > > > > > > At this moment, change is applied, and I am waiting up to 60min to see if the > changes will be written to survive reboot. > > > > Regarding how to change it, the UI Edit seem to be the way. If I go with > /var/run/… file changes fast, even with VM being shutdown. > > > > @oVirt does anyone know how long it usually takes to have the change written > to VM image?
up to 60 minutes :-). I think you can change this with engine-config, item OvfUpdateIntervalInMinutes . Best regards, > > > > > > > > ----- > > kind regards/met vriendelijke groeten > > > > Marko Vrgotic > Sr. System Engineer @ System Administration > > > ActiveVideo > > o: +31 (35) 6774131 > > m: +31 (65) 5734174 > > e: [email protected] > w: www.activevideo.com > > > > ActiveVideo Networks BV. Mediacentrum 3745 Joop van den Endeplein 1.1217 WJ > Hilversum, The Netherlands. The information contained in this message may be > legally privileged and confidential. It is intended to be read only by the > individual or entity to whom it is addressed or by their designee. If the > reader of this message is not the intended recipient, you are on notice that > any distribution of this message, in any form, is strictly prohibited. If > you have received this message in error, please immediately notify the sender > and/or ActiveVideo Networks, LLC by telephone at +1 408.931.9200 and delete > or destroy any copy of this message. > > > > > > > > From: Yedidyah Bar David <[email protected]> > Date: Monday, 22 February 2021 at 11:05 > To: Vrgotic, Marko <[email protected]> > Cc: [email protected] <[email protected]> > Subject: Re: [ovirt-users] oVirt Engine increase RAM and CPU > > ***CAUTION: This email originated from outside of the organization. Do not > click links or open attachments unless you recognize the sender!!!*** > > On Mon, Feb 22, 2021 at 11:01 AM Vrgotic, Marko > <[email protected]> wrote: > > > > Hi Didi, > > > > > > > > Just to be sure, considering its an HA instance, I need to set to > > maintenance=global and execute these changes – CPU increase will most > > likely require reboot? > > Please note that I do not have any experience with this whatsoever. > Also for the further replies below. Just guessing. I suggest to try > first on a test system if it's about a production/critical system. > > I guess that it will mark the VM as requiring a reboot for changes to > take effect, and that they'll actually be applied only on hard-reboot > (meaning, not just running 'reboot' from inside). So yes, > I guess the process should be: > > 1. Edit as needed > 2. Perhaps wait a bit or something like that to make sure changes > reached OVF_STORE on the shared storage. No idea how. Perhaps we log > enough about this to existing logs, or perhaps you can dump the conf > to verify manually. > 2. Set global maint, shutdown, clear global maint (and either > immediately start the vm or let ha-agent do this for you). > > > > > > > > > For the HEAP changes, I have been doing that lot on the Atlassian > > instances, just not sure how oVirt-engine is going to react and if there > > are any guidelines I should stick to in ovirt case. > > I have no idea other than the bugs I was personally involved with > (which you can find in bugzilla). > Perhaps RHV or oVirt docs have some guidelines, didn't check. > If not, then I suppose the guidelines are "Use the defaults and follow > recommendations", which mean: > 1. Allocate 16GB RAM for the HE VM. Perhaps we even recommend more > than that for larger setups, not sure. > 2. engine-setup then sets both min and max to 4GB (=25% of RAM). > > If you do want to play with this, you should of course test thoroughly > and carefully :-). > Consider also other processes on the machine needing rather-large > amounts of memory, including DWH and PostgreSQL (which we also > automatically configure and which you can further refine if needed, > and also set up to run on separate machines). > > > > > I.e. What if I set min and max to same value? > > That's a question for the JVM, not for oVirt :-). I suppose it will > simply use a constant size. > > > > > Is it going to be “ok” if I assign more than half of system RAM to the > > JAVA? Ect… > > It should be, if you make sure other stuff (dwh+pg) do not use too > much, or you have also enough swap (but then do not expect good > performance if you actually run into actually using it). > > > > > > > > > ----- > > > > kind regards/met vriendelijke groeten > > > > > > > > Marko Vrgotic > > Sr. System Engineer @ System Administration > > > > > > ActiveVideo > > > > o: +31 (35) 6774131 > > > > m: +31 (65) 5734174 > > > > e: [email protected] > > w: > > https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.activevideo.com%2F&data=04%7C01%7Cm.vrgotic%40activevideo.com%7Cb65891afae0c464a0e7a08d8d7196ce9%7C214268a3e1214486acd4545c9faf2252%7C0%7C0%7C637495851497608436%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=BG%2FOL7r6kmS%2F%2FuIz%2BreGDia%2BsN7ffd1Br0YgIbwlOp8%3D&reserved=0 > > > > > > > > ActiveVideo Networks BV. Mediacentrum 3745 Joop van den Endeplein 1.1217 WJ > > Hilversum, The Netherlands. The information contained in this message may > > be legally privileged and confidential. It is intended to be read only by > > the individual or entity to whom it is addressed or by their designee. If > > the reader of this message is not the intended recipient, you are on notice > > that any distribution of this message, in any form, is strictly prohibited. > > If you have received this message in error, please immediately notify the > > sender and/or ActiveVideo Networks, LLC by telephone at +1 408.931.9200 and > > delete or destroy any copy of this message. > > > > > > > > > > > > > > > > From: Vrgotic, Marko <[email protected]> > > Date: Monday, 22 February 2021 at 09:08 > > To: Yedidyah Bar David <[email protected]> > > Cc: [email protected] <[email protected]> > > Subject: Re: [ovirt-users] oVirt Engine increase RAM and CPU > > > > Thank you Didi. > > > > > > > > ----- > > > > kind regards/met vriendelijke groeten > > > > > > > > Marko Vrgotic > > Sr. System Engineer @ System Administration > > > > > > ActiveVideo > > > > o: +31 (35) 6774131 > > > > m: +31 (65) 5734174 > > > > e: [email protected] > > w: > > https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.activevideo.com%2F&data=04%7C01%7Cm.vrgotic%40activevideo.com%7Cb65891afae0c464a0e7a08d8d7196ce9%7C214268a3e1214486acd4545c9faf2252%7C0%7C0%7C637495851497618426%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=R8Hhw3cjx21oqOwr%2Flrgo2X6HE5AMzmHrXFNyLXJ%2BWs%3D&reserved=0 > > > > > > > > ActiveVideo Networks BV. Mediacentrum 3745 Joop van den Endeplein 1.1217 WJ > > Hilversum, The Netherlands. The information contained in this message may > > be legally privileged and confidential. It is intended to be read only by > > the individual or entity to whom it is addressed or by their designee. If > > the reader of this message is not the intended recipient, you are on notice > > that any distribution of this message, in any form, is strictly prohibited. > > If you have received this message in error, please immediately notify the > > sender and/or ActiveVideo Networks, LLC by telephone at +1 408.931.9200 and > > delete or destroy any copy of this message. > > > > > > > > > > > > > > > > From: Yedidyah Bar David <[email protected]> > > Date: Sunday, 21 February 2021 at 08:03 > > To: Vrgotic, Marko <[email protected]> > > Cc: [email protected] <[email protected]> > > Subject: Re: [ovirt-users] oVirt Engine increase RAM and CPU > > > > ***CAUTION: This email originated from outside of the organization. Do not > > click links or open attachments unless you recognize the sender!!!*** > > > > On Fri, Feb 19, 2021 at 12:39 PM Vrgotic, Marko > > <[email protected]> wrote: > > > > > > Hi oVirt, > > > > > > > > > > > > What is the cleanest way to increase the memory and cpu for SHE engine? > > > > Did you try to simply edit the vm from the admin ui? This should be > > possible for most fields for quite some time now: > > > > https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.redhat.com%2Fshow_bug.cgi%3Fid%3D1160094&data=04%7C01%7Cm.vrgotic%40activevideo.com%7Cb65891afae0c464a0e7a08d8d7196ce9%7C214268a3e1214486acd4545c9faf2252%7C0%7C0%7C637495851497618426%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=9K%2BTQAYz8TK8FysIBMt5yBeiwW5FACTY75cyEBo0pjs%3D&reserved=0 > > > > > > > > > > > > > > We have the Engine running on top of three HA hosts, so I guess the specs > > > need to be change on all three, while engine is down. > > > > > > > > > > > > Is it done by editing the VM libvirt conf file or some other way? > > > > > > > > > > > > Where do I allocate more RAM to JAVA for oVirt? > > > > You can control the values passed as -Xms and -Xmx using the config > > values ENGINE_HEAP_MIN and ENGINE_HEAP_MAX. > > > > They are set by engine-setup on initial setup but not changed later. > > It writes /etc/ovirt-engine/engine.conf.d/10-setup-java.conf . > > It's probably safer to create your own file for overriding, e.g. > > 99-my-setup-java.conf or something. > > > > There have been various relevant changes to this over the years, you > > can search bugzilla for 'ENGINE_HEAP_MIN' to find them. > > > > > > > > > > > > > > We are currently running 4.3.8 version. > > > > > > > > > > > > Kindly awaiting your reply. > > > > Good luck and best regards, > > -- > > Didi > > > > -- > Didi -- Didi _______________________________________________ Users mailing list -- [email protected] To unsubscribe send an email to [email protected] Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/[email protected]/message/HASCVQT7N6LYTKKMCDHXTFQN3YDT6XB7/
