Re: [rancid] Improving Rancid's processing speed when having 1k+ devices

Emille Blanc <[email protected]> Thu, 25 Jul 2019 08:14:28 -0700
Newsgroups gmane.network.rancid
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I've seen/heard stories of people pre-empting rancid with an snmp-get of th=
e config-last-changed / last committed OID, to generate a list of devices t=
o run against.

Have always wanted to set that up for our instance as we are approaching th=
e 500 device mark, but it's not become a big enough problem for us... yet.

From: Rancid-discuss [mailto:[email protected]] On Behal=
f Of Florin Vlad Olariu
Sent: Thursday, July 25, 2019 5:30 AM
To: [email protected]
Subject: [rancid] Improving Rancid's processing speed when having 1k+ devic=
es

Well, as per title, is there any way to improve rancid's speed with so many=
 devices? At the moment I set PAR_COUNT to 300, so it will connect in paral=
lel to 300 devices at a time, but the reality is that most time does not se=
em to be taken by connecting and retrieving config but by what happens next=
 in the file processing and git-comitting.

To give you some stats, with current settings it takes around 9 minutes to =
do 1200 devices. I have only 1 group with all devices under the same group.

Any trick you might have, please let me know!

Thanks,

Vlad



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<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple style=3D'tab-interval:.5in'><div class=3DWordSection1><p class=
=3DMsoNormal><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-se=
rif";color:#1F497D'>I've seen/heard stories of people pre-empting rancid wi=
th an snmp-get of the config-last-changed / last committed OID, to generate=
 a list of devices to run against.<o:p></o:p></span></p><p class=3DMsoNorma=
l><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:=
#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'fo=
nt-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Have alway=
s wanted to set that up for our instance as we are approaching the 500 devi=
ce mark, but it's not become a big enough problem for us... yet.<o:p></o:p>=
</span></p><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-family=
:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><di=
v style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in=
 0in'><p class=3DMsoNormal><b><span style=3D'font-size:10.0pt;font-family:"=
Tahoma","sans-serif";mso-fareast-font-family:"Times New Roman"'>From:</span=
></b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-=
fareast-font-family:"Times New Roman"'> Rancid-discuss [mailto:rancid-discu=
[email protected]] <b>On Behalf Of </b>Florin Vlad Olariu<br><b>Sent=
:</b> Thursday, July 25, 2019 5:30 AM<br><b>To:</b> rancid-discuss@shrubber=
y.net<br><b>Subject:</b> [rancid] Improving Rancid's processing speed when =
having 1k+ devices<o:p></o:p></span></p></div></div><p class=3DMsoNormal><o=
:p>&nbsp;</o:p></p><div><p class=3DMsoNormal><span style=3D'font-size:10.0p=
t;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New R=
oman"'>Well, as per title, is there any way to improve rancid's speed with =
so many devices? At the moment I set PAR_COUNT to 300, so it will connect i=
n parallel to 300 devices at a time, but the reality is that most time does=
 not seem to be taken by connecting and retrieving config but by what happe=
ns next in the file processing and git-comitting.<o:p></o:p></span></p></di=
v><div><p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"He=
lvetica","sans-serif";mso-fareast-font-family:"Times New Roman"'><o:p>&nbsp=
;</o:p></span></p></div><div><p class=3DMsoNormal><span style=3D'font-size:=
10.0pt;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times =
New Roman"'>To give you some stats, with current settings it takes around 9=
 minutes to do 1200 devices. I have only 1 group with all devices under the=
 same group.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span sty=
le=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";mso-fareast-fon=
t-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p></div><div><p class=
=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Helvetica","sans-=
serif";mso-fareast-font-family:"Times New Roman"'>Any trick you might have,=
 please let me know!<o:p></o:p></span></p></div><div><p class=3DMsoNormal><=
span style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";mso-far=
east-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p></div><div>=
<p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Helvetica=
","sans-serif";mso-fareast-font-family:"Times New Roman"'>Thanks,<o:p></o:p=
></span></p></div><div><p class=3DMsoNormal><span style=3D'font-size:10.0pt=
;font-family:"Helvetica","sans-serif";mso-fareast-font-family:"Times New Ro=
man"'><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span sty=
le=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";mso-fareast-fon=
t-family:"Times New Roman"'>Vlad<o:p></o:p></span></p></div><p class=3DMsoN=
ormal><span style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";=
mso-fareast-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p><div=
><p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Helvetic=
a","sans-serif";mso-fareast-font-family:"Times New Roman"'>&nbsp;<o:p></o:p=
></span></p></div></div></body></html>=

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