Mailing List Archive: Linux Virtual Server: Users

[lvs-users] Persistent Connections on a VS/NAT sertup.

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andy at zrmt

Jul 2, 2008, 7:11 AM

Post #1 of 4 (454 views)
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[lvs-users] Persistent Connections on a VS/NAT sertup.

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Hi guys,

I've just started using ipvsadm today, and have created the following
howto on how to do it.[1]

However, looking into persistent connections.. one of the sites I'll be
load balancing is an e-commerce site. If the user begins a SSL session
negotation with one host, is that persistent by default, or is the -p
option needed?

Regards,

Andy

[1] http://blog.zrmt.com/2008/07/02/load-balancing-services-on-centos/
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jmack at wm7d

Jul 2, 2008, 7:29 AM

Post #2 of 4 (445 views)
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Re: [lvs-users] Persistent Connections on a VS/NAT sertup. [In reply to]

On Wed, 2 Jul 2008, andylockran wrote:

> If the user begins a SSL session negotation with one host,
> is that persistent by default,

no

> or is the -p option needed?

that or the SH scheduler

Joe

--
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!

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andy at zrmt

Jul 2, 2008, 7:43 AM

Post #3 of 4 (445 views)
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Re: [lvs-users] Persistent Connections on a VS/NAT sertup. [In reply to]

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Joseph Mack NA3T wrote:
> On Wed, 2 Jul 2008, andylockran wrote:
>
>> If the user begins a SSL session negotation with one host,
>> is that persistent by default,
>
> no
>
>> or is the -p option needed?
>
> that or the SH scheduler
>

I'll take a look at using that - it would make sense to use this.
.Joe
>

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chibi at gol

Jul 2, 2008, 9:52 PM

Post #4 of 4 (429 views)
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Re: [lvs-users] Persistent Connections on a VS/NAT sertup. [In reply to]

On Wed, 2 Jul 2008 07:29:53 -0700 (PDT) Joseph Mack NA3T wrote:
> On Wed, 2 Jul 2008, andylockran wrote:
>
> > If the user begins a SSL session negotation with one host,
> > is that persistent by default,
>
> no
>
> > or is the -p option needed?
>
> that or the SH scheduler
>
The SH scheduler _would_ be the ideal solution if it wasn't broken in
regard to weight. So if you need/want the ability of LVS to gradually take
out a realserver without any user noticeable impact, SH is not for you.
Until it gets fixed at least. See the link below and take note of
the following silence of the lambs from the LVS developers. ^_-

http://archive.linuxvirtualserver.org/html/lvs-users/2008-03/msg00070.html

Regards,

Christian
--
Christian Balzer Network/Systems Engineer NOC
chibi [at] gol Global OnLine Japan/Fusion Network Services
http://www.gol.com/

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