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List:       rt-users
Subject:    RE: [rt-users] Can RT scale up?
From:       "Yoav Daniely" <yoavd () qballtech ! net>
Date:       2005-02-28 7:46:31
Message-ID: 20050228074635.02C841276CE () hawk ! qballtech ! com
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Matt,
Thanks alot for the help.
I will keep you (and the list) updated in case we deploy a large scale
configuration such as this.
Best regards,
 
            Yoav Daniely
            Q-Ball Technologies.


  _____  

From: Matthew Watson [mailto:matthew.watson@staff.netspace.net.au] 
Sent: Monday, February 28, 2005 1:25 AM
To: Yoav Daniely; rt-users@lists.fsck.com
Subject: RE: [rt-users] Can RT scale up?



Sure,

 

 We run a pair of opteron's running at 2.1Ghz, each with 2gb ram. These act
as the web/mail front end for RT (behind a local director).

 

We also run oracle on a sparc ultra-4 with 4gb ram,  this also serves other
applications.

 

The front end is probably a little overkill at the moment, although our
testing showed that on these machines, once you get over about 5-10
simultaneous requests the average delivery time for pages starts to rise.
This gives us a bit of wiggle room (with staff numbers) before we will need
to throw another front end in there.

 

As for Jesse's question regarding what components we removed, going from
memory, the main things we did on the front end

==>     removed "quick ticket" link on "Home" page

==>     adding some extra caching to "quick search" box.

==>     removed information about requestor from ticket view page

==>     split off search formatting (eg, column selection) onto a separate
page

 

Not all these changes were speed related, and those that are could well be
redundant against 3.4 (we are running 3.2.2).

 

Regards,
Matt.

 

  _____  

From: rt-users-bounces@lists.bestpractical.com
[mailto:rt-users-bounces@lists.bestpractical.com] On Behalf Of Yoav Daniely
Sent: Sunday, February 27, 2005 5:11 PM
To: rt-users@lists.fsck.com
Subject: RE: [rt-users] Can RT scale up?

 

Matthew ,

 

Can you please elaborate concerning the hardware used ?

 

Regards,

 

        Yoav

 

  _____  

From: Matthew Watson [mailto:matthew.watson@staff.netspace.net.au] 
Sent: Friday, February 25, 2005 2:17 AM
To: Yoav Daniely; rt-users@lists.fsck.com
Subject: RE: [rt-users] Can RT scale up?

Hi,

 

 We currently have about 1.3 million tickets, and after a lot of database
tweaking and quite a bit of hardware we now have RT running very reasonably.


 

So, yes it can scale, however some of the design choices don't seem to
handle it that well, so you will most likely have to do a bit of work on the
indexes and possible the UI (we ripped out a number of slower components) to
make it an acceptable speed.

 

Regards,
Matt.

 

  _____  

From: rt-users-bounces@lists.bestpractical.com
[mailto:rt-users-bounces@lists.bestpractical.com] On Behalf Of Yoav Daniely
Sent: Thursday, February 24, 2005 11:52 PM
To: rt-users@lists.fsck.com
Subject: [rt-users] Can RT scale up?

 

Greetings,

 

I have a need to deploy RT to contain 250,000 tickets per year (and import 3
years backwards from an old system).

Tickets will include at least 10 custom fields of extended information.

Anyone has any exprience/insights on this size of deployment? Any known
application design bottlenecks that may appear at high volumes such as this?

 

Best Regards,

 

        Yoav Daniely

        Qball Technologies.

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<DIV><SPAN class=390424307-28022005><FONT face=Arial color=#0000ff 
size=2>Matt,</FONT></SPAN></DIV>
<DIV><SPAN class=390424307-28022005><FONT face=Arial color=#0000ff size=2>Thanks 
alot for the help.</FONT></SPAN></DIV>
<DIV><SPAN class=390424307-28022005><FONT face=Arial color=#0000ff size=2>I will 
keep you (and&nbsp;the list) updated in case we deploy a large scale 
configuration such as this.</FONT></SPAN></DIV>
<DIV><SPAN class=390424307-28022005><FONT face=Arial color=#0000ff size=2>Best 
regards,</FONT></SPAN></DIV>
<DIV><SPAN class=390424307-28022005><FONT face=Arial color=#0000ff 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN 
class=390424307-28022005>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
 <FONT face=Arial color=#0000ff size=2>Yoav Daniely</FONT></SPAN></DIV>
<DIV><SPAN 
class=390424307-28022005>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
 <FONT face=Arial color=#0000ff size=2>Q-Ball 
Technologies.</FONT></SPAN></DIV><FONT face=Arial color=#0000ff 
size=2></FONT><FONT face=Arial color=#0000ff size=2></FONT><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Matthew Watson 
[mailto:matthew.watson@staff.netspace.net.au] <BR><B>Sent:</B> Monday, February 
28, 2005 1:25 AM<BR><B>To:</B> Yoav Daniely; 
rt-users@lists.fsck.com<BR><B>Subject:</B> RE: [rt-users] Can RT scale 
up?<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial">Sure,<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial">&nbsp;We run a pair of  opteron&#8217;s running at 2.1Ghz, each with 2gb ram. \
These act as the web/mail front  end for RT (behind a local \
director).<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">We \
also run oracle on a  sparc ultra-4 with 4gb ram,&nbsp; this also serves other 
applications.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">The \
front end is  probably a little overkill at the moment, although our testing showed \
that on  these machines, once you get over about 5-10 simultaneous requests the \
average  delivery time for pages starts to rise. This gives us a bit of wiggle room \
(with  staff numbers) before we will need to throw another front end in 
there.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">As \
for Jesse&#8217;s question  regarding what components we removed, going from memory, \
the main things we did  on the front end<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal 
style="MARGIN-LEFT: 21pt; TEXT-INDENT: -0.25in; mso-list: l0 level1 lfo1"><![if \
!supportLists]><FONT  face=Wingdings color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Wingdings"><SPAN 
style="mso-list: Ignore">&egrave;<FONT face="Times New Roman" size=1><SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></FONT></SPAN></SPAN></FONT><![endif]><FONT face=Arial color=navy 
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">removed 
&#8220;quick ticket&#8221; link on &#8220;Home&#8221; \
page<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal 
style="MARGIN-LEFT: 21pt; TEXT-INDENT: -0.25in; mso-list: l0 level1 lfo1"><![if \
!supportLists]><FONT  face=Wingdings color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Wingdings"><SPAN 
style="mso-list: Ignore">&egrave;<FONT face="Times New Roman" size=1><SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></FONT></SPAN></SPAN></FONT><![endif]><FONT face=Arial color=navy 
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">adding 
some extra caching to &#8220;quick search&#8221; box.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal 
style="MARGIN-LEFT: 21pt; TEXT-INDENT: -0.25in; mso-list: l0 level1 lfo1"><![if \
!supportLists]><FONT  face=Wingdings color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Wingdings"><SPAN 
style="mso-list: Ignore">&egrave;<FONT face="Times New Roman" size=1><SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></FONT></SPAN></SPAN></FONT><![endif]><FONT face=Arial color=navy 
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">removed 
information about requestor from ticket view page<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal 
style="MARGIN-LEFT: 21pt; TEXT-INDENT: -0.25in; mso-list: l0 level1 lfo1"><![if \
!supportLists]><FONT  face=Wingdings color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Wingdings"><SPAN 
style="mso-list: Ignore">&egrave;<FONT face="Times New Roman" size=1><SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></FONT></SPAN></SPAN></FONT><![endif]><FONT face=Arial color=navy 
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">split off 
search formatting (eg, column selection) onto a separate 
page<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Not \
all these changes  were speed related, and those that are could well be redundant \
against 3.4 (we  are running 3.2.2).<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial">Regards,<BR>Matt.<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal><FONT \
face=Arial color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <DIV 
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<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN lang=EN-US 
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: \
Tahoma">From:</SPAN></FONT></B><FONT  face=Tahoma size=2><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> 
rt-users-bounces@lists.bestpractical.com 
[mailto:rt-users-bounces@lists.bestpractical.com] <B><SPAN 
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Yoav Daniely<BR><B><SPAN 
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Sunday, February 27, 2005 5:11 
PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> 
rt-users@lists.fsck.com<BR><B><SPAN 
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: [rt-users] Can RT scale 
up?</SPAN></FONT><SPAN lang=EN-US><o:p></o:p></SPAN></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
style="FONT-SIZE: 12pt"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Matthew 
,</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Can you please 
elaborate concerning the hardware used&nbsp;?</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: \
Arial">Regards,</SPAN></FONT><o:p></o:p></P></DIV> <DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: \
Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  \
Yoav</SPAN></FONT><o:p></o:p></P></DIV> <P class=MsoNormal><FONT face="Times New \
Roman" size=3><SPAN  style="FONT-SIZE: 12pt"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT 
face="Times New Roman" size=3><SPAN lang=EN-US style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><B><FONT face=Tahoma size=2><SPAN 
lang=EN-US 
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: \
Tahoma">From:</SPAN></FONT></B><FONT  face=Tahoma size=2><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Matthew Watson 
[mailto:matthew.watson@staff.netspace.net.au] <BR><B><SPAN 
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, February 25, 2005 2:17 
AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> Yoav Daniely; 
rt-users@lists.fsck.com<BR><B><SPAN 
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: [rt-users] Can RT scale 
up?</SPAN></FONT><SPAN lang=EN-US><o:p></o:p></SPAN></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial">Hi,<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial">&nbsp;We currently have  about 1.3 million tickets, and after a lot of \
database tweaking and quite a bit  of hardware we now have RT running very \
reasonably.  <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">So, \
yes it can scale,  however some of the design choices don&#8217;t seem to handle it \
that well, so you  will most likely have to do a bit of work on the indexes and \
possible the UI (we  ripped out a number of slower components) to make it an \
acceptable  speed.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face=Arial \
color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial">Regards,<BR>Matt.<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal><FONT \
face=Arial color=navy size=2><SPAN  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: \
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P> <DIV 
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; \
PADDING-LEFT: 4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: blue 1.5pt solid; PADDING-TOP: \
0in; BORDER-BOTTOM: medium none"> <DIV>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT 
face="Times New Roman" size=3><SPAN lang=EN-US style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN lang=EN-US 
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: \
Tahoma">From:</SPAN></FONT></B><FONT  face=Tahoma size=2><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> 
rt-users-bounces@lists.bestpractical.com 
[mailto:rt-users-bounces@lists.bestpractical.com] <B><SPAN 
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Yoav Daniely<BR><B><SPAN 
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, February 24, 2005 11:52 
PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> 
rt-users@lists.fsck.com<BR><B><SPAN 
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [rt-users] Can RT scale 
up?</SPAN></FONT><SPAN lang=EN-US><o:p></o:p></SPAN></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
style="FONT-SIZE: 12pt"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><STRONG><B><FONT face=Arial size=2><SPAN 
style="FONT-SIZE: 10pt; FONT-FAMILY: \
Arial">Greetings,</SPAN></FONT></B></STRONG><o:p></o:p></P></DIV> <DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN 
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I have a need to deploy RT to 
contain 250,000 tickets per year (and import 3 years backwards from an old 
system).</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN 
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Tickets will include at least 10 
custom fields of extended information.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN 
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Anyone has any exprience/insights on 
this size of deployment? Any known application design bottlenecks that may 
appear at high volumes such as this?</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><STRONG><B><FONT face=Arial size=2><SPAN 
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Best 
Regards,</SPAN></FONT></B></STRONG><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
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