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List: apache-httpd-users
Subject: Re: [users@httpd] Software Load Balancers | mod_proxy_balancer and Varnish
From: Anurag Kapur <anuragkapur () gmail ! com>
Date: 2012-06-25 10:00:27
Message-ID: CAFftEEE+YovVY3uyxMRQhhR9Rd5fjW_g1HGxYO4AbsauuCXhKA () mail ! gmail ! com
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Just writing again to see if anyone can provide me some more inputs?
On Fri, Jun 22, 2012 at 10:35 AM, Anurag Kapur <anuragkapur@gmail.com>wrote:
> Thank you for your response.
>
> I am not looking for caching/site acceleration capabilities. I am looking
> at pure load balancing capabilities only.
>
> Are there any know pros/cons or limitations of mod_proxy_balancer and
> varnish load balancing? Capabilities that the load balancer that I am
> looking for are:
>
> 1. Must be able to sustain and be performant in high load and volume
> conditions
> 2. Should support session stickyness and possibly failover from on node to
> another without the client requiring to submit the request again
> 3. Easy to deploy and configure. Possibly - ability to add and remove
> nodes from the load balanced farm on the fly
>
> Kind Regards
>
> Anurag Kapur
>
>
>
> On Fri, Jun 22, 2012 at 8:02 AM, <kashif.rahman@in.com> wrote:
>
>> You need to decide what options you want from Varnish or
>> mod_proxy_balancer.****
>>
>> ** **
>>
>> Both are different. Varnish is basically for cache and you will not
>> achieve cache from mod_proxy_balancer. ****
>>
>> ** **
>>
>> You can use mod_proxy_balancer for failover and then use Varnish for
>> better performance/cache on both nodes.****
>>
>> ** **
>>
>> Do let me know what are your concerns and specifically what you are
>> looking in them for.****
>>
>> ** **
>>
>> Thank you,****
>>
>> ** **
>>
>> Best Regards,****
>>
>> *
>> Kashif Rahman*
>>
>> Principal SCM Engineer****
>>
>> [image: Description: vopium_signature_logo]****
>>
>> * *
>>
>> [image: Description: imagesCAV9FMB1] + 92 334 9771227 | [image:
>> Description: imagesCAXWPPLS] kashif_r | *w* www.vopium.com****
>>
>> ** **
>>
>> *From:* Anurag Kapur [mailto:anuragkapur@gmail.com]
>> *Sent:* Friday, June 22, 2012 4:01 AM
>> *To:* users@httpd.apache.org
>> *Subject:* Re: [users@httpd] Software Load Balancers |
>> mod_proxy_balancer and Varnish****
>>
>> ** **
>>
>> No, I am looking to pick one of mod_proxy_balancer or varnish and thus
>> looking for pros and cons.****
>>
>> ** **
>>
>> Anurag
>>
>> ****
>>
>> On Thu, Jun 21, 2012 at 11:24 PM, Filipe Cifali <cifali.filipe@gmail.com>
>> wrote:****
>>
>> Ldirectord****
>>
>> ** **
>>
>
>
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Just writing again to see if anyone can provide me some more inputs?<div><div><font \
face="tahoma, sans-serif"><font><font></font></font></font></div><br> <br><br><div \
class="gmail_quote">On Fri, Jun 22, 2012 at 10:35 AM, Anurag Kapur <span \
dir="ltr"><<a href="mailto:anuragkapur@gmail.com" \
target="_blank">anuragkapur@gmail.com</a>></span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex">
Thank you for your response.<div><br></div><div>I am not looking for caching/site \
acceleration capabilities. I am looking at pure load balancing capabilities \
only.</div><div><br></div><div>Are there any know pros/cons or limitations of \
mod_proxy_balancer and varnish load balancing? Capabilities that the load balancer \
that I am looking for are:</div>
<div><br></div><div>1. Must be able to sustain and be performant in high load and \
volume conditions</div><div>2. Should support session stickyness and possibly \
failover from on node to another without the client requiring to submit the request \
again</div>
<div>3. Easy to deploy and configure. Possibly - ability to add and remove nodes from \
the load balanced farm on the fly</div><div><br></div><div>Kind \
Regards</div><div><span class="HOEnZb"><font color="#888888"><br clear="all">
<font color="#000066"><span style><font color="#000066"><font><span style><font \
color="#000066" style="font-family:arial"><font face="arial, helvetica, \
sans-serif">Anurag Kapur<br> \
</font></font></span></font></font></span></font></font></span><div><div \
class="h5"><br> <br><br><div class="gmail_quote">On Fri, Jun 22, 2012 at 8:02 AM, \
<span dir="ltr"><<a href="mailto:kashif.rahman@in.com" \
target="_blank">kashif.rahman@in.com</a>></span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">You \
need to decide what options you want from Varnish or \
mod_proxy_balancer.<u></u><u></u></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> \
<u></u></span></p><p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Both \
are different. Varnish is basically for cache and you will not achieve cache from \
mod_proxy_balancer. <u></u><u></u></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> \
<u></u></span></p><p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">You \
can use mod_proxy_balancer for failover and then use Varnish for better \
performance/cache on both nodes.<u></u><u></u></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> \
<u></u></span></p><p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Do \
let me know what are your concerns and specifically what you are looking in them \
for.<u></u><u></u></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> \
<u></u></span></p><p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Thank \
you,<u></u><u></u></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> \
<u></u></span></p><p class="MsoNormal"><span \
style="font-family:"Calibri","sans-serif";color:#1f497d">Best \
Regards,<u></u><u></u></span></p>
<p class="MsoNormal"><b><span \
style="font-family:"Calibri","sans-serif";color:green"><br>Kashif \
Rahman<u></u><u></u></span></b></p><p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Principal \
SCM Engineer<u></u><u></u></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><img \
width="152" height="53" src="cid:image001.png@01CD506E.ECB741F0" alt="Description: \
vopium_signature_logo"></span><span \
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><b><span \
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> \
<u></u></span></b></p><p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><img \
width="15" height="25" src="cid:image002.jpg@01CD506E.ECB741F0" alt="Description: \
imagesCAV9FMB1"></span><span \
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"> \
+ </span><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">92 \
334 9771227 | </span><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><img \
width="20" height="20" src="cid:image003.jpg@01CD506E.ECB741F0" alt="Description: \
imagesCAXWPPLS"> kashif_r | </span><b><span \
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:green">w</span></b><span \
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"> \
<a href="http://www.vopium.com/" target="_blank">www.vopium.com</a></span><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> \
<u></u></span></p><p class="MsoNormal"><b><span \
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span \
style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> \
Anurag Kapur [mailto:<a href="mailto:anuragkapur@gmail.com" \
target="_blank">anuragkapur@gmail.com</a>] <br>
<b>Sent:</b> Friday, June 22, 2012 4:01 AM<br><b>To:</b> <a \
href="mailto:users@httpd.apache.org" \
target="_blank">users@httpd.apache.org</a><br><b>Subject:</b> Re: [users@httpd] \
Software Load Balancers | mod_proxy_balancer and Varnish<u></u><u></u></span></p>
<div><div><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">No, I am \
looking to pick one of mod_proxy_balancer or varnish and thus looking for pros and \
cons.<u></u><u></u></p><div><p class="MsoNormal"> <u></u> <u></u></p></div><div><p \
class="MsoNormal" style="margin-bottom:12.0pt">Anurag<br><br><u></u><u></u></p><div><p \
class="MsoNormal">On Thu, Jun 21, 2012 at 11:24 PM, Filipe Cifali <<a \
href="mailto:cifali.filipe@gmail.com" target="_blank">cifali.filipe@gmail.com</a>> \
wrote:<u></u><u></u></p>
<p class="MsoNormal">Ldirectord<u></u><u></u></p></div><p class="MsoNormal"><u></u> \
<u></u></p></div></div></div></div></div></blockquote></div><br></div></div></div> \
</blockquote></div><br></div>
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