<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #000000"><div></div><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Liran Zelkha" <liran.zelkha@gmail.com><br><b>To: </b>"Gilad Chaplik" <gchaplik@redhat.com><br><b>Cc: </b>"Omer Frenkel" <ofrenkel@redhat.com>, "Eli Mesika" <emesika@redhat.com>, "engine-devel" <engine-devel@ovirt.org><br><b>Sent: </b>Thursday, April 3, 2014 5:27:56 PM<br><b>Subject: </b>Re: [Engine-devel] vds_dynamic refactor<br><div><br></div><p dir="ltr">True but that's no reason to have a bad schema</p></blockquote><div>I'm open to new ideas and truly want to understand what is bad?</div><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><div class="gmail_quote">On Apr 3, 2014 5:18 PM, "Gilad Chaplik" <<a href="mailto:gchaplik@redhat.com" target="_blank">gchaplik@redhat.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
----- Original Message -----<br>
> From: "Liran Zelkha" <<a href="mailto:liran.zelkha@gmail.com" target="_blank">liran.zelkha@gmail.com</a>><br>
> To: "Gilad Chaplik" <<a href="mailto:gchaplik@redhat.com" target="_blank">gchaplik@redhat.com</a>><br>
> Cc: "Eli Mesika" <<a href="mailto:emesika@redhat.com" target="_blank">emesika@redhat.com</a>>, "engine-devel" <<a href="mailto:engine-devel@ovirt.org" target="_blank">engine-devel@ovirt.org</a>><br>
> Sent: Thursday, April 3, 2014 5:16:51 PM<br>
> Subject: Re: [Engine-devel] vds_dynamic refactor<br>
><br>
> Don't go down that road. Status shouldn't be saved in the db.<br>
> But anyway statistics is rapidly changing. So it fits...<br><br>
First let's have a notion of caching, then notion of shared caching, then I can start thinking of not going down that road...<br><br>
> On Apr 3, 2014 5:14 PM, "Gilad Chaplik" <<a href="mailto:gchaplik@redhat.com" target="_blank">gchaplik@redhat.com</a>> wrote:<br>
><br>
> > ----- Original Message -----<br>
> > > From: "Liran Zelkha" <<a href="mailto:liran.zelkha@gmail.com" target="_blank">liran.zelkha@gmail.com</a>><br>
> > > To: "Eli Mesika" <<a href="mailto:emesika@redhat.com" target="_blank">emesika@redhat.com</a>><br>
> > > Cc: "Gilad Chaplik" <<a href="mailto:gchaplik@redhat.com" target="_blank">gchaplik@redhat.com</a>>, "engine-devel" <<br>
> > <a href="mailto:engine-devel@ovirt.org" target="_blank">engine-devel@ovirt.org</a>><br>
> > > Sent: Thursday, April 3, 2014 4:36:07 PM<br>
> > > Subject: Re: [Engine-devel] vds_dynamic refactor<br>
> > ><br>
> > > I would be happy if we can lose vds_dynamic all together, and just keep<br>
> > > vds_static and vds_statistics. Our performance will be happy too ;-)<br>
> > ><br>
> ><br>
> > @Liran, status and pending fields are very fragile ones, IMO need separate<br>
> > table.<br>
> > @Eli, iirc, you don't have a problem with adding more tables :-)<br>
> ><br>
> > ><br>
> > > On Thu, Apr 3, 2014 at 4:33 PM, Eli Mesika <<a href="mailto:emesika@redhat.com" target="_blank">emesika@redhat.com</a>> wrote:<br>
> > ><br>
> > > ><br>
> > > ><br>
> > > > ----- Original Message -----<br>
> > > > > From: "Gilad Chaplik" <<a href="mailto:gchaplik@redhat.com" target="_blank">gchaplik@redhat.com</a>><br>
> > > > > To: "Yair Zaslavsky" <<a href="mailto:yzaslavs@redhat.com" target="_blank">yzaslavs@redhat.com</a>><br>
> > > > > Cc: "engine-devel" <<a href="mailto:engine-devel@ovirt.org" target="_blank">engine-devel@ovirt.org</a>><br>
> > > > > Sent: Thursday, April 3, 2014 4:00:25 PM<br>
> > > > > Subject: Re: [Engine-devel] vds_dynamic refactor<br>
> > > > ><br>
> > > > > ----- Original Message -----<br>
> > > > > > From: "Yair Zaslavsky" <<a href="mailto:yzaslavs@redhat.com" target="_blank">yzaslavs@redhat.com</a>><br>
> > > > > > To: "Liran Zelkha" <<a href="mailto:liran.zelkha@gmail.com" target="_blank">liran.zelkha@gmail.com</a>><br>
> > > > > > Cc: "Gilad Chaplik" <<a href="mailto:gchaplik@redhat.com" target="_blank">gchaplik@redhat.com</a>>, "engine-devel"<br>
> > > > > > <<a href="mailto:engine-devel@ovirt.org" target="_blank">engine-devel@ovirt.org</a>><br>
> > > > > > Sent: Thursday, April 3, 2014 2:12:59 PM<br>
> > > > > > Subject: Re: [Engine-devel] vds_dynamic refactor<br>
> > > > > ><br>
> > > > > ><br>
> > > > > ><br>
> > > > > > ----- Original Message -----<br>
> > > > > > > From: "Liran Zelkha" <<a href="mailto:liran.zelkha@gmail.com" target="_blank">liran.zelkha@gmail.com</a>><br>
> > > > > > > To: "Gilad Chaplik" <<a href="mailto:gchaplik@redhat.com" target="_blank">gchaplik@redhat.com</a>><br>
> > > > > > > Cc: "engine-devel" <<a href="mailto:engine-devel@ovirt.org" target="_blank">engine-devel@ovirt.org</a>><br>
> > > > > > > Sent: Thursday, April 3, 2014 2:04:29 PM<br>
> > > > > > > Subject: Re: [Engine-devel] vds_dynamic refactor<br>
> > > > > > ><br>
> > > > > > > Why not move it to vds_static?<br>
> > > > > ><br>
> > > > > > +1 on Liran's comment.<br>
> > > ><br>
> > > > +1 as well , vds_static is the place for that<br>
> > > ><br>
> > > > > > I would prefer not to add more complexity to the vds tables<br>
> > family.<br>
> > > > > > Such complexity may effect performs of queries/views.<br>
> > > > > > If you wish, you can create a view on top of vds_static named<br>
> > > > vds_on_boot<br>
> > > > > > for<br>
> > > > > > querying of vds on boot info.<br>
> > > > > ><br>
> > > > > > Yair<br>
> > > > ><br>
> > > > > That means moving almost all of vds_dynamic into vds_static except of<br>
> > > > memory,<br>
> > > > > pending resources and status (maybe more but not much);<br>
> > > > > and there will not be any db separation between user input and<br>
> > on_boot<br>
> > > > data.<br>
> > > ><br>
> > > > Why we should have such separation ?<br>
> > > ><br>
> > > > ><br>
> > > > > Thanks,<br>
> > > > > Gilad.<br>
> > > > ><br>
> > > > > ><br>
> > > > > > ><br>
> > > > > > ><br>
> > > > > > > On Thu, Apr 3, 2014 at 2:00 PM, Gilad Chaplik <<br>
> > <a href="mailto:gchaplik@redhat.com" target="_blank">gchaplik@redhat.com</a>><br>
> > > > > > > wrote:<br>
> > > > > > ><br>
> > > > > > > > Hi list,<br>
> > > > > > > ><br>
> > > > > > > > I propose to split vds_dynamic table into 2 tables:<br>
> > > > > > > > - vds_dynamic<br>
> > > > > > > > - vds_on_boot<br>
> > > > > > > > We need a place to put all non-dynamic data that gets updated<br>
> > once<br>
> > > > the<br>
> > > > > > > > host is booted, and I think dynamic isn't the place for it.<br>
> > > > > > > > In first phase we will put there NUMA host topoplogy, but<br>
> > later on<br>
> > > > > > > > migrate<br>
> > > > > > > > all non-dynamic host data (cpu, os, etc.).<br>
> > > > > > > ><br>
> > > > > > > > thoughts?<br>
> > > > > > > ><br>
> > > > > > > > Thanks,<br>
> > > > > > > > Gilad.<br>
> > > > > > > > _______________________________________________<br>
> > > > > > > > Engine-devel mailing list<br>
> > > > > > > > <a href="mailto:Engine-devel@ovirt.org" target="_blank">Engine-devel@ovirt.org</a><br>
> > > > > > > > <a href="http://lists.ovirt.org/mailman/listinfo/engine-devel" target="_blank">http://lists.ovirt.org/mailman/listinfo/engine-devel</a><br>
> > > > > > > ><br>
> > > > > > ><br>
> > > > > > > _______________________________________________<br>
> > > > > > > Engine-devel mailing list<br>
> > > > > > > <a href="mailto:Engine-devel@ovirt.org" target="_blank">Engine-devel@ovirt.org</a><br>
> > > > > > > <a href="http://lists.ovirt.org/mailman/listinfo/engine-devel" target="_blank">http://lists.ovirt.org/mailman/listinfo/engine-devel</a><br>
> > > > > > ><br>
> > > > > ><br>
> > > > > _______________________________________________<br>
> > > > > Engine-devel mailing list<br>
> > > > > <a href="mailto:Engine-devel@ovirt.org" target="_blank">Engine-devel@ovirt.org</a><br>
> > > > > <a href="http://lists.ovirt.org/mailman/listinfo/engine-devel" target="_blank">http://lists.ovirt.org/mailman/listinfo/engine-devel</a><br>
> > > > ><br>
> > > > _______________________________________________<br>
> > > > Engine-devel mailing list<br>
> > > > <a href="mailto:Engine-devel@ovirt.org" target="_blank">Engine-devel@ovirt.org</a><br>
> > > > <a href="http://lists.ovirt.org/mailman/listinfo/engine-devel" target="_blank">http://lists.ovirt.org/mailman/listinfo/engine-devel</a><br>
> > > ><br>
> > ><br>
> ><br>
><br></blockquote></div></blockquote><div><br></div></div></body></html>