12:17 p.m.
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Hi All,
In order to support NUMA and guest NUMA feature in ovirt.
We need per NUMA node CPU usage or per CPU usage related information on eng=
ine core.
This information will be used for VM who have NUMA aware information and fi=
nd the best Host to run it on with best performance.
Approach 1:
1. Sample data in vdsm for each CPU stats. (sys, usr, iowait, idle)
2. Calculate the each CPU usage information. (%sys, %usr, %iowait, %id=
le)
3. Transport the usage data to engine core.
4. Engine core merge per NUMA node CPU usage. (%sys, %usr, %iowait, %i=
dle)
Approach 2:
1. Sample data in vdsm for each CPU stats. (sys, usr, iowait, idle)
2. Calculate the each CPU usage information. (%sys, %usr, %iowait, %id=
le)
3. VDSM merge per NUMA node CPU usage. (%sys, %usr, %iowait, %idle)
4. Transport the usage data to engine core.
Which one do you prefer, and why, or other solution.
Best Regards,
Jason Liao
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</head <body lang=3D"ZH-CN"
link=3D"#0563C1" vlink=3D"#954F72" style=3D"text-justi=
fy-trim:punctuation" <div
class=3D"WordSection1" <p
class=3D"MsoNormal"><span lang=3D"EN-US"
style=3D"font-family:"HP S=
implified","sans-serif"">Hi
All,<o:p></o:p></span></p <p
class=3D"MsoNormal"><span lang=3D"EN-US"
style=3D"font-family:"HP S=
implified","sans-serif""><o:p> </o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US" style=3D"font-family:"HP S=
implified","sans-serif"">In order to support NUMA and
guest =
NUMA feature in ovirt.<o:p></o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US" style=3D"font-family:"HP S=
implified","sans-serif"">We need per NUMA node CPU
usage or =
per CPU usage related information on engine
core.<o:p></o:p></span></p <p
class=3D"MsoNormal"><span lang=3D"EN-US"
style=3D"font-family:"HP S=
implified","sans-serif""><o:p> </o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US" style=3D"font-family:"HP S=
implified","sans-serif"">This information will be used
for V=
M who have NUMA aware information and find the best Host to run it on with =
best performance.<o:p></o:p></span></p <p
class=3D"MsoNormal"><span lang=3D"EN-US"
style=3D"font-family:"HP S=
implified","sans-serif""><o:p> </o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US" style=3D"font-family:"HP S=
implified","sans-serif"">Approach
1:<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:18.0pt;text-indent:-18.0=
pt;mso-list:l1 level1 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"HP Sim=
plified","sans-serif""><span
style=3D"mso-list:Ignore">1.<sp=
an style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span lang=3D"EN-US"
style=3D"font-family:&q=
uot;HP Simplified","sans-serif"">Sample data in vdsm
for eac=
h CPU stats. (sys, usr, iowait, idle)<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"margin-left:18.0pt;text-indent:-18.0=
pt;mso-list:l1 level1 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"HP Sim=
plified","sans-serif""><span
style=3D"mso-list:Ignore">2.<sp=
an style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span lang=3D"EN-US"
style=3D"font-family:&q=
uot;HP Simplified","sans-serif"">Calculate the each CPU
usag=
e information. (%sys, %usr, %iowait, %idle)<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"margin-left:18.0pt;text-indent:-18.0=
pt;mso-list:l1 level1 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"HP Sim=
plified","sans-serif""><span
style=3D"mso-list:Ignore">3.<sp=
an style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span lang=3D"EN-US"
style=3D"font-family:&q=
uot;HP Simplified","sans-serif"">Transport the usage
data to=
engine core.<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:18.0pt;text-indent:-18.0=
pt;mso-list:l1 level1 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"HP Sim=
plified","sans-serif""><span
style=3D"mso-list:Ignore">4.<sp=
an style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span lang=3D"EN-US"
style=3D"font-family:&q=
uot;HP Simplified","sans-serif"">Engine core merge per
NUMA =
node CPU usage. (%sys, %usr, %iowait, %idle)<o:p></o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US" style=3D"font-family:"HP S=
implified","sans-serif""><o:p> </o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US" style=3D"font-family:"HP S=
implified","sans-serif"">Approach
2:<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:18.0pt;text-indent:-18.0=
pt;mso-list:l0 level1 lfo2" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"HP Sim=
plified","sans-serif""><span
style=3D"mso-list:Ignore">1.<sp=
an style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span lang=3D"EN-US"
style=3D"font-family:&q=
uot;HP Simplified","sans-serif"">Sample data in vdsm
for eac=
h CPU stats. (sys, usr, iowait, idle)<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"margin-left:18.0pt;text-indent:-18.0=
pt;mso-list:l0 level1 lfo2" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"HP Sim=
plified","sans-serif""><span
style=3D"mso-list:Ignore">2.<sp=
an style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span lang=3D"EN-US"
style=3D"font-family:&q=
uot;HP Simplified","sans-serif"">Calculate the each CPU
usag=
e information. (%sys, %usr, %iowait, %idle)<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"margin-left:18.0pt;text-indent:-18.0=
pt;mso-list:l0 level1 lfo2" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"HP Sim=
plified","sans-serif""><span
style=3D"mso-list:Ignore">3.<sp=
an style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span lang=3D"EN-US"
style=3D"font-family:&q=
uot;HP Simplified","sans-serif"">VDSM merge per NUMA
node CP=
U usage. (%sys, %usr, %iowait, %idle)<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"margin-left:18.0pt;text-indent:-18.0=
pt;mso-list:l0 level1 lfo2" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"HP Sim=
plified","sans-serif""><span
style=3D"mso-list:Ignore">4.<sp=
an style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span lang=3D"EN-US"
style=3D"font-family:&q=
uot;HP Simplified","sans-serif"">Transport the usage
data to=
engine core.<o:p></o:p></span></p <p
class=3D"MsoNormal"><span lang=3D"EN-US"
style=3D"font-family:"HP S=
implified","sans-serif""><o:p> </o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US" style=3D"font-family:"HP S=
implified","sans-serif"">Which one do you prefer, and
why, o=
r other solution.<o:p></o:p></span></p <p
class=3D"MsoNormal"><span lang=3D"EN-US"
style=3D"font-family:"HP S=
implified","sans-serif""><o:p> </o:p></span></p <p class=3D"MsoNormal"><b><span
lang=3D"EN-US" style=3D"font-size:9.0pt;fon=
t-family:"HP
Simplified","sans-serif";color:black">Best=
Regards,<br </span></b><span
lang=3D"EN-US" style=3D"font-size:9.0pt;font-family:"=
HP Simplified","sans-serif";color:#717172">Jason
Liao</span>=
<span lang=3D"EN-US"><o:p></o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US"><o:p> </o:p></span></p </div
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