Re: [Xen-users] ionice

[Bart Coninckx <bart.coninckx@xxxxxxxxxx>]

On Monday 05 July 2010 16:42:35 Florian Heigl wrote:
> 2010/7/4 Bart Coninckx <bart.coninckx@xxxxxxxxxx>:
> > On Sunday 04 July 2010 00:15:13 Jonathan Tripathy wrote:
> >> On 03/07/10 23:12, Bart Coninckx wrote:
> >> > On Sunday 04 July 2010 00:07:03 you wrote:
> >> >> On 03/07/10 23:02, Bart Coninckx wrote:
> >> >>> On Saturday 03 July 2010 20:07:52 Jonathan Tripathy wrote:
> >> >>>> Hi Everyone,
> >> >>>>
> >> >>>> I'm experimenting with ionice, and I have to say at first
> >> >>>> impressions I'm very impressed!
> >> >>>>
> >> >>>> Does anyone have any idea how I could script the ionice config? I'm
> >> >>>> using phy for my DomUs so everything appears in ps as
> >> >>>> blkback.<DOMID>.xvda1
> >> >>>>
> >> >>>> The problem is, is that the process id for the blkback process will
> >> >>>> change after every DomU restart, doesn't it?
> >> >>>>
> >> >>>> Thanks
> >> >>>>
> >> >>>> _______________________________________________
> >> >>>> Xen-users mailing list
> >> >>>> Xen-users@xxxxxxxxxxxxxxxxxxx
> >> >>>> http://lists.xensource.com/xen-users
> >> >>>
> >> >>> How is this a Xen issue?
> 
> ionice is definitely a xen topic / issue.
> widespread adaption is still missing and very much desirable.
> 
> The only good documentation I know was provided by Oracle somewhere
> along the Oracle VM docs.
> 
> > My problem is that I see high volume requests from some people with
> > little time in between the requests and about matters getting more and
> > more away from the subject at hand, which more than likely points to
> > people not taking the time to look for answers themselves on the internet
> > but choosing the easy path of free advice on a mailing list. This
> > community is about helping each other out after having done the necessary
> > research oneself.  At least that's how I see it. Mind you, I'm at risk
> > stating this, because I frequently am scratching my head in the face of
> > nasty problems and challenges with tight deadlines, but I try to self
> > reliant to the max and only if I'm at the end of my wits, I will consult
> > the list.
> 
> While I see that people that constantly ask instead of searching need
> to be moderated, you also have to value based on the topics
> interestedness.
> 
> It IS tricky to correctly specify ionice settings from the domU config
> file, and until we all can do it like correctly writing a normal [disk
> = "" ] stanza, I'd suggest you consider the topic very interesting.
> 
> And really, as it seems you didn't figure it relates to xen you might
> wanna hold back a little!
> 
> > No chill pills needed.
> 
> Trust your guts, and even more trust if people tell you.
> Others will always notice before one self does.
> 

My remark was not based on this post alone. But there is truth in what you 
say, as there is in what I observed and vented.

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