[Engine-devel] Please help us to review our database schema design with NUMA feature on ovirt

Eli Mesika emesika at redhat.com
Mon Mar 31 09:12:50 UTC 2014



----- Original Message -----
> From: "Xiao-Lei Shi (Bruce, HP Servers-PSC-CQ)" <xiao-lei.shi at hp.com>
> To: "Eli Mesika" <emesika at redhat.com>
> Cc: "Chuan Liao (Jason Liao, HPservers-Core-OE-PSC)" <chuan.liao at hp.com>, "Doron Fediuck" <dfediuck at redhat.com>,
> "Gilad Chaplik" <gchaplik at redhat.com>, "Chegu Vinod" <chegu_vinod at hp.com>, "Shang-Chun Liang (David Liang,
> HPservers-Core-OE-PSC)" <shangchun.liang at hp.com>, "Yaniv Dary" <ydary at redhat.com>, engine-devel at ovirt.org
> Sent: Monday, March 31, 2014 8:56:20 AM
> Subject: RE: Please help us to review our database schema design with NUMA feature on ovirt
> 
> Include the devel group.
> Thanks Eli for the quick responses for our first design and sorry for the
> nag.
> We appreciate any of the comments for our database design and will follow the
> design to do the implementation if no more comments.
>  http://www.ovirt.org/Features/Detailed_NUMA_and_Virtual_NUMA

Seems OK for me except an unanswered question I had asked in my first review :

Why in the Host level NUMA fields are added to vds_dynamic while in the VM level it is added to vm_static ???
I would expect it to be in both on static or dynamic , can you please explain ? Thanks 

> 
> Thanks & Best Regards
> Shi, Xiao-Lei (Bruce)
> 
> Hewlett-Packard Co., Ltd.
> HP Servers Core Platform Software China
> Telephone +86 23 65683093
> Mobile +86 18696583447
> Email xiao-lei.shi at hp.com
> 
> -----Original Message-----
> From: Shi, Xiao-Lei (Bruce, HP Servers-PSC-CQ)
> Sent: Friday, March 28, 2014 1:30 PM
> To: 'Eli Mesika'
> Cc: Liao, Chuan (Jason Liao, HPservers-Core-OE-PSC); Doron Fediuck; Gilad
> Chaplik; Vinod, Chegu; Liang, Shang-Chun (David Liang,
> HPservers-Core-OE-PSC); Yaniv Dary
> Subject: RE: Please help us to review our database schema design with NUMA
> feature on ovirt
> 
> Hi Eli,
> 
> After the UX design meeting, we did some modification for the database
> schema, and merged some update according to your last review comments.
> Now the document has been posted on ovirt wikipage, could you help to review
> the database design again:
> http://www.ovirt.org/Features/Detailed_NUMA_and_Virtual_NUMA
> 
> 
> Thanks & Best Regards
> Shi, Xiao-Lei (Bruce)
> 
> Hewlett-Packard Co., Ltd.
> HP Servers Core Platform Software China Telephone +86 23 65683093 Mobile +86
> 18696583447 Email xiao-lei.shi at hp.com
> 
> 
> -----Original Message-----
> From: Eli Mesika [mailto:emesika at redhat.com]
> Sent: Monday, March 24, 2014 6:24 PM
> To: Shi, Xiao-Lei (Bruce, HP Servers-PSC-CQ)
> Cc: Liao, Chuan (Jason Liao, HPservers-Core-OE-PSC); Doron Fediuck; Gilad
> Chaplik; Vinod, Chegu; Liang, Shang-Chun (David Liang,
> HPservers-Core-OE-PSC); Yaniv Dary
> Subject: Re: Please help us to review our database schema design with NUMA
> feature on ovirt
> 
> 
> 
> ----- Original Message -----
> > From: "Xiao-Lei Shi (Bruce, HP Servers-PSC-CQ)" <xiao-lei.shi at hp.com>
> > To: "Eli Mesika" <emesika at redhat.com>, "Chuan Liao (Jason Liao,
> > HPservers-Core-OE-PSC)" <chuan.liao at hp.com>
> > Cc: "Doron Fediuck" <dfediuck at redhat.com>, "Gilad Chaplik"
> > <gchaplik at redhat.com>, "Chegu Vinod" <chegu_vinod at hp.com>, "Shang-Chun
> > Liang (David Liang, HPservers-Core-OE-PSC)" <shangchun.liang at hp.com>
> > Sent: Monday, March 24, 2014 11:23:39 AM
> > Subject: RE: Please help us to review our database schema design with
> > NUMA feature on ovirt
> > 
> > Hi Eli,
> > 
> > Thanks for your comments.
> > I have updated the document according to your comments except the below
> > one:
> > Missing from here are 2 issues:
> > 
> > 1) Impact on the search engine, which new columns are search-able and
> > which changes are planned in the search engine code to enable that
> > 
> > 2) Impact on engine-reports, are those changed planned to be exposed
> > to the engine data warehouse and required new/modified reports?
> > 
> > Could you tell us more detailed information about the modules you
> > mentioned above? I mean "search engine" and "engine-reports". I think
> > we missed these two parts in our previous investigation.
> > I just find org.ovirt.engine.core.bll.SearchQuery, is that the right
> > object for search engine?
> 
> Yes, actually when you are opening the admin UI, there are TABs for each
> entity , i.e. Data Center, Cluster, Host etc.
> In each, you can see a text-box in which you can search for by writing a
> search expression My question is
>    1) What is the impact of your work on the search on the Fost and VM TABs
>       a) Are there any fields that are supported now in the search expression
>       and should pop-up when you write the expression by the auto-completion
>       mechanism ?
>       b) Are there any added columns displayed in the result of such a search
>       in the grid ?
> 
> > How about the engine-reports, could you give us some hints, like the
> > code location and any more detailed information that we can start more
> > investigation?
> 
> CCing Yaniv D who is in charge of the reports/dwh module Yaniv, any planned
> work for adding Numa features to Host/VM in the reports side ?
> 
> Thanks
> 
> > 
> > Thanks & Best Regards
> > Shi, Xiao-Lei (Bruce)
> > 
> > Hewlett-Packard Co., Ltd.
> > HP Servers Core Platform Software China Telephone +86 23 65683093
> > Mobile +86 18696583447 Email xiao-lei.shi at hp.com
> > 
> > -----Original Message-----
> > From: Eli Mesika [mailto:emesika at redhat.com]
> > Sent: Sunday, March 23, 2014 4:44 PM
> > To: Liao, Chuan (Jason Liao, HPservers-Core-OE-PSC)
> > Cc: Doron Fediuck; Gilad Chaplik; Vinod, Chegu; Liang, Shang-Chun
> > (David Liang, HPservers-Core-OE-PSC); Shi, Xiao-Lei (Bruce, HP
> > Servers-PSC-CQ)
> > Subject: Re: Please help us to review our database schema design with
> > NUMA feature on ovirt
> > 
> > 
> > 
> > ----- Original Message -----
> > > From: "Chuan Liao (Jason Liao, HPservers-Core-OE-PSC)"
> > > <chuan.liao at hp.com>
> > > To: emesika at redhat.com
> > > Cc: "Doron Fediuck" <dfediuck at redhat.com>, "Gilad Chaplik"
> > > <gchaplik at redhat.com>, "Chegu Vinod" <chegu_vinod at hp.com>,
> > > "Shang-Chun Liang (David Liang, HPservers-Core-OE-PSC)"
> > > <shangchun.liang at hp.com>, "Xiao-Lei Shi (Bruce, HP Servers-PSC-CQ)"
> > > <xiao-lei.shi at hp.com>
> > > Sent: Friday, March 21, 2014 10:42:33 AM
> > > Subject: Please help us to review our database schema design with
> > > NUMA feature on ovirt
> > > 
> > > Hi Eli,
> > > 
> > > Please help us to review our database schema design with NUMA
> > > feature on ovirt
> > > https://docs.google.com/document/d/1-wdDkm6EDbwyoCIRPPcmbGWAcyQo_IST
> > > Y8
> > > ykDr0I6VY/edit?usp=sharing
> > > 
> > > Feel free to take comments on document at anywhere
> > 
> > Done, had commented on the document.
> > Eli
> > 
> > > 
> > > Especially, 5.4 The used interface between engine core and
> > > database(schema)
> > > 
> > > Your approve and your comments with this section will be much more
> > > appreciate for us.
> > > 
> > > Best Regards,
> > > Jason Liao
> > > 
> > > 
> > 
> 



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