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Eric,
Ah , OK I thought that might be too simple :-).
Some general advice from our end is:
We have had problems with both LRO & GRO in the past (we disable them
both), and we also run irqbalance (to save on CPU overhead from
network traffic).
Also we tend to use Intel NICs with the latest drivers.
We do use Centos 6.3 (roughly) but with a more recent Kernel so I'm
afraid I can't be much help.
On 18 September 2015 at 23:54, Eric Robinson <eric.robinson@xxxxxxxxx> wrote:
> That's the odd part. We don't have any WRR health checks at all. Everything
> is WLC. And the ldirectord.cf file did not change, not did the version of
> ldirectord itself. I have checked through the file, and there are no virtual
> servers that are not backed by realservers, and there are no realservers
> showing in a down state. I would post the file but it is quite long. We have
> approximately 1700 virtual services configured.
>
> --Eric
>
>
> -----Original Message-----
> From: lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx
> [mailto:lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Malcolm
> Turnbull
> Sent: Friday, September 18, 2015 2:20 PM
> To: LinuxVirtualServer.org users mailing list.
> <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
> Subject: Re: [lvs-users] Upgraded my Load Balancers, Performance Went to Sh*t
>
> Eric,
>
> What kind of health checks are you using, it sounds like no backend servers
> available in the cluster?
>
> On 18 September 2015 at 17:11, Eric Robinson <eric.robinson@xxxxxxxxx> wrote:
>> ...oh, and one other thing. After the upgrade, I am now seeing these syslog
>> messages once approximately per second...
>>
>> Sep 18 09:06:26 lb01a kernel: IPVS: WRR: no destination available: no
>> destinations present Sep 18 09:06:28 lb01a kernel: IPVS: WRR: no
>> destination available: no destinations present Sep 18 09:06:29 lb01a
>> kernel: IPVS: WRR: no destination available: no destinations present
>> Sep 18 09:06:31 lb01a kernel: IPVS: WRR: no destination available: no
>> destinations present Sep 18 09:06:32 lb01a kernel: IPVS: WRR: no
>> destination available: no destinations present Sep 18 09:06:34 lb01a
>> kernel: IPVS: WRR: no destination available: no destinations present
>> Sep 18 09:06:35 lb01a kernel: IPVS: WRR: no destination available: no
>> destinations present Sep 18 09:06:37 lb01a kernel: IPVS: WRR: no
>> destination available: no destinations present Sep 18 09:06:38 lb01a
>> kernel: IPVS: WRR: no destination available: no destinations present
>> Sep 18 09:06:40 lb01a kernel: IPVS: WRR: no destination available: no
>> destinations present Sep 18 09:06:41 lb01a kernel: IPVS: WRR: no
>> destination available: no destinations present Sep 18 09:06:43 lb01a
>> kernel: IPVS: WRR: no destination available: no destinations present
>> Sep 18 09:06:44 lb01a kernel: IPVS: WRR: no destination available: no
>> destinations present
>>
>> _______________________________________________
>> Please read the documentation before posting - it's available at:
>> http://www.linuxvirtualserver.org/
>>
>> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
>> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
>> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
>
>
>
> --
> Regards,
>
> Malcolm Turnbull.
>
> Loadbalancer.org Ltd.
> Phone: +44 (0)330 1604540
> http://www.loadbalancer.org/
>
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
>
> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx Send
> requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
>
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
>
> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
--
Regards,
Malcolm Turnbull.
Loadbalancer.org Ltd.
Phone: +44 (0)330 1604540
http://www.loadbalancer.org/
_______________________________________________
Please read the documentation before posting - it's available at:
http://www.linuxvirtualserver.org/
LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
or go to http://lists.graemef.net/mailman/listinfo/lvs-users
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