[pve-devel] pve-kernel package : add irqbalance as recommended ? (like debian linux-image package)

[Stefan Priebe - Profihost AG]

Am 20.02.2016 um 10:08 schrieb Alexandre DERUMIER:
> <> Have a look at red hats tuned which is much better and open source at fedora.
>>>
>>> https://git.fedorahosted.org/cgit/tuned.git
>>>
>>> But I have not found reasonable docs - why is is better? What features does
> i>>t provide? Can it replace ksmtuned?
> 
> tuned tool from redhat is just for tunning kernel params, cpu gouvernor, ioscheduler, ... from profiles (high-bandwith vs low latency for example)
> 
> It's not related to ksm.
> 
> you can find details about the profils and tuning values here :
> 
> https://videos.cdn.redhat.com/summit2015/presentations/11952_performance-tuning-red-hat-enterprise-linux-platform-for-databases.pdf

here is also som documentation available:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Power_Management_Guide/Tuned.html

Stefan


> (page 8).
> 
> 
> Could be great to have something similar in proxmox. (should be east to implement), choosing in gui for each server, presets of tuning.
> 
> 
> 
> BTW, I have redone a lot of tests with transparent hugepage and last kernels, it seem to works fine with default MADVISE.
> I have done tests with a lot of databases, redis, mongo  and I don't have seen any regression, and some boost with java application
> 
> ----- Mail original -----
> De: "dietmar" <dietmar at proxmox.com>
> À: "Stefan Priebe" <s.priebe at profihost.ag>, "pve-devel" <pve-devel at pve.proxmox.com>
> Envoyé: Samedi 20 Février 2016 09:16:09
> Objet: Re: [pve-devel] pve-kernel package : add irqbalance as recommended ? (like debian linux-image package)
> 
>> Sadly there is various Hardware and chips out there crashing with irqbalance. 
>> That's why I removed it from all machines and tune where needed. 
> 
> OK, so we cannot recommend it... 
> 
>> Have a look at red hats tuned which is much better and open source at fedora. 
> 
> https://git.fedorahosted.org/cgit/tuned.git 
> 
> But I have not found reasonable docs - why is is better? What features does 
> it provide? Can it replace ksmtuned? 
> 
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