please execute this command and paste output:
iptables -nL -t mangle; iptables -nL -t nat
And let me know farm name.
Regards!
2016-08-09 12:15 GMT+02:00 Scott Berry <sc...@boompayments.com>:
> Hi Emilio,
>
> Yes, I understand this. However in this case it is drastically consistent
> that it is always 30/30/30/10% across the four servers. I would expect this
> to go back and forth, ebb and flow.. Yet SERVER04 is always around 10% even
> under heavy test loads.
>
> *- - - - -*
> *Scott Berry*
> Lead Developer | Boom! Payments
> m: 1.661.478.7144
>
> From: Emilio Campos
> Reply-To: <zenloadbalancer-support@lists.sourceforge.net>
> Date: Monday, August 8, 2016 at 11:55 PM
>
> To: "zenloadbalancer-support@lists.sourceforge.net"
> Subject: Re: [Zenloadbalancer-support] Max connections in HTTP profile
>
> Dear Scott, the load balancer forward request in equal weight but all the
> HTTP request doesn't have the same time of duration, so along the time that
> is the reason you don't see similar number of concurrent connections in
> each backend server.
>
> Regards
>
> 2016-08-09 0:45 GMT+02:00 Scott Berry <sc...@boompayments.com>:
>
>> One other thing. I have a L4XNAT farm that has 4 servers. Those four
>> servers are in another farm as well. In the first farm, port 80, nothing
>> special the first 3 servers get almost 30% of the connections mostly spread
>> evenly. The fourth server only gets 10% or less. It stays that way no
>> matter what I have seen in our load testing. I looked at the config files,
>> nothing special. I looked at the servers, they are clones of each other and
>> all are working fine. They are all available through farm guardian.
>>
>> *- - - - -*
>> *Scott Berry*
>> Lead Developer | Boom! Payments
>> m: 1.661.478.7144
>>
>> From: Emilio Campos
>> Reply-To: <zenloadbalancer-support@lists.sourceforge.net>
>> Date: Monday, August 8, 2016 at 1:32 PM
>>
>> To: <zenloadbalancer-support@lists.sourceforge.net>
>> Subject: Re: [Zenloadbalancer-support] Max connections in HTTP profile
>>
>> No route to host means your lb can't reach the backends, check gateway
>> configuration and confirm backend is reachable with ping, telnet, etc from
>> lb to backends and viceversa.
>>
>> Regards
>>
>> Sent from mobile
>>
>> El 8 ago. 2016 10:28 p. m., "Scott Berry" <sc...@boompayments.com>
>> escribió:
>>
>>> Thanks :)
>>>
>>> Show that in the admin at the top ;)
>>>
>>> Yes, 3.10.1. Grep does not find anything in any log file about “too
>>> many” anything.
>>>
>>> I am seeing a lot of these lines:
>>> Aug 4 06:24:49 ZenLB pound: (b72f6b40) connect_nb: error after
>>> getsockopt: No route to host
>>>
>>> And occasional bunch of these:
>>> Aug 4 13:39:46 ZenLB pound: NULL get_thr_arg
>>>
>>> If that doesn’t help I can see about running some more tests. We are out
>>> of credits for the month but I’m going to see about purchasing more.
>>>
>>> *- - - - -*
>>> *Scott Berry*
>>> Lead Developer | Boom! Payments
>>> m: 1.661.478.7144
>>>
>>> From: Emilio Campos
>>> Reply-To: <zenloadbalancer-support@lists.sourceforge.net>
>>> Date: Monday, August 8, 2016 at 1:02 PM
>>> To: <zenloadbalancer-support@lists.sourceforge.net>
>>> Subject: Re: [Zenloadbalancer-support] Max connections in HTTP profile
>>>
>>> Execute
>>>
>>> dpkg -l | grep zen
>>>
>>> Also check your syslog file maybe you could see "Too many open files"?
>>>
>>> Sent from mobile
>>>
>>> El 8 ago. 2016 9:58 p. m., "Scott Berry" <sc...@boompayments.com>
>>> escribió:
>>>
>>>> Hi,
>>>>
>>>> I’ve removed the HTTP based farms since they were extremely limited in
>>>> connections. When using a tool like loadimpact.com we would see the LB
>>>> start slowing down and preventing connections from hitting the back-end
>>>> servers around 100-200 connections on the farm. Meanwhile the 4 back-end
>>>> servers had zero load and if I hit one directly it was instant response.
>>>> The L4XNAT profile had no limitation on the smaller tests, we haven’t hit a
>>>> larger test yet.
>>>>
>>>> My config was the most basic. Simple HTTP Farm with 4 back-end servers.
>>>> No real changes from default config that I can recall.
>>>>
>>>> I can run the similar test again watching syslog and see if there are
>>>> issues. I can also fail over to the backup and see if that has an issue.
>>>>
>>>> I don’t know where or how to tell what version of Zen is installed. It
>>>> isn’t in the GUI I can see and I can’t find that info online. How to?
>>>>
>>>> *- - - - -*
>>>> *Scott Berry*
>>>> Lead Developer | Boom! Payments
>>>> m: 1.661.478.7144
>>>>
>>>> From: Laura Garcia
>>>> Reply-To: <zenloadbalancer-support@lists.sourceforge.net>
>>>> Date: Sunday, August 7, 2016 at 11:55 PM
>>>> To: "zenloadbalancer-support@lists.sourceforge.net"
>>>> Subject: Re: [Zenloadbalancer-support] Max connections in HTTP profile
>>>>
>>>> Hi Scott, please share your HTTP configuration. Are you working with
>>>> 3.10.1?
>>>>
>>>> Also, you can inspect the /var/log/messages searching for some system
>>>> errors when the connections reach the limits.
>>>>
>>>> Kind Regards.
>>>>
>>>>
>>>> Laura Garcia
>>>> Zen Load Balancer Team
>>>> www.zenloadbalancer.com
>>>>
>>>> On Fri, Aug 5, 2016 at 3:59 AM, Scott Berry <sc...@boompayments.com>
>>>> wrote:
>>>>
>>>>> I assume we are running in to some limitation on max connections
>>>>> although I can’t find any documentation on Zen or on Pound that discusses
>>>>> this.
>>>>>
>>>>> We are load balancing a Magento store. Originally I had two farms, one
>>>>> for HTTP and one for HTTPS. Offloading SSL was one of the major goals.
>>>>>
>>>>> We did a soft launch and found that at around 200-400 connections on
>>>>> the HTTP farm the response time slowed to a crawl. None of the servers
>>>>> (Zen, App or DB) had much load at all. After banging my head around for a
>>>>> while I switched to a L4XNAT profile (after reading a post somewhere about
>>>>> a clustered Zen setup - front–end L4XNAT and then back-end HTTP Zen farms)
>>>>> and that seemed to solve the problem.
>>>>>
>>>>> So question being firstly, why the limitation and what is causing it?
>>>>> Resources were never an issue at all.
>>>>>
>>>>> I am ok with keeping the L4XNAT profile for the HTTP side of things
>>>>> but then what happens when the HTTPS farm starts needing that kind of
>>>>> connection size? I would rather not deal with SSL on each server, but if
>>>>> that is the end result I will. I just can’t see how 400 connections should
>>>>> be a limitation?
>>>>>
>>>>> Secondly, how now would I handle a redirect in Zen? I would like to
>>>>> get people off the root and on to WWW and would rather not have to let the
>>>>> traffic pass all the way back to the app servers before we do that. Almost
>>>>> every first time connection will be this way. Since I can’t use HTTP farms
>>>>> I can use the virtual host and redirect options. I suppose the only way is
>>>>> to have a dedicated IP for www and for root and use another farm just for
>>>>> redirection. But again I worry about connections… will that then end up
>>>>> with connection limitations? Or not because it is just redirect and done?
>>>>>
>>>>> Any input?
>>>>>
>>>>> *- - - - -*
>>>>> *Scott Berry*
>>>>> Lead Developer | Boom! Payments
>>>>> m: 1.661.478.7144
>>>>>
>>>>> ------------------------------------------------------------
>>>>> ------------------
>>>>>
>>>>> _______________________________________________
>>>>> Zenloadbalancer-support mailing list
>>>>> Zenloadbalancer-support@lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support
>>>>>
>>>>>
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>>> What NetFlow Analyzer can do for you? Monitors network bandwidth and
>>> traffic patterns at an interface-level. Reveals which users, apps, and
>>> protocols are consuming the most bandwidth. Provides multi-vendor support
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>>> traffic
>>> patterns at an interface-level. Reveals which users, apps, and protocols
>>> are
>>> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
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>> What NetFlow Analyzer can do for you? Monitors network bandwidth and
>> traffic patterns at an interface-level. Reveals which users, apps, and
>> protocols are consuming the most bandwidth. Provides multi-vendor support
>> for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using
>> capacity planning reports. http://sdm.link/zohodev2dev___
>> ____________________________________________ Zenloadbalancer-support
>> mailing list Zenloadbalancer-support@lists.sourceforge.nethttps://lists.
>> sourceforge.net/lists/listinfo/zenloadbalancer-support
>>
>> ------------------------------------------------------------
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>> What NetFlow Analyzer can do for you? Monitors network bandwidth and
>> traffic
>> patterns at an interface-level. Reveals which users, apps, and protocols
>> are
>> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
>> J-Flow, sFlow and other flows. Make informed decisions using capacity
>> planning reports. http://sdm.link/zohodev2dev
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>> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support
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>
>
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> Load balancer distribution - Open Source Project
> http://www.zenloadbalancer.com
> Distribution list (subscribe): zenloadbalancer-support@lists.
> sourceforge.net
> ------------------------------------------------------------------------------
> What NetFlow Analyzer can do for you? Monitors network bandwidth and
> traffic patterns at an interface-level. Reveals which users, apps, and
> protocols are consuming the most bandwidth. Provides multi-vendor support
> for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using
> capacity planning reports. http://sdm.link/zohodev2dev___
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> mailing list Zenloadbalancer-support@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support
>
> ------------------------------------------------------------
> ------------------
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> traffic
> patterns at an interface-level. Reveals which users, apps, and protocols
> are
> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> J-Flow, sFlow and other flows. Make informed decisions using capacity
> planning reports. http://sdm.link/zohodev2dev
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patterns at an interface-level. Reveals which users, apps, and protocols are
consuming the most bandwidth. Provides multi-vendor support for NetFlow,
J-Flow, sFlow and other flows. Make informed decisions using capacity
planning reports. http://sdm.link/zohodev2dev
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