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RE: connections not expireing, kernel using over 400Megs

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: RE: connections not expireing, kernel using over 400Megs
From: Graeme Fowler <graeme@xxxxxxxxxxx>
Date: Tue, 3 May 2005 20:15:52 +0100
On Tue 03 May 2005 18:56:04 BST , Mark de Vries <markdv.lvsuser@xxxxxxxxxx> wrote:
ANY help welcome... Right now I'm rebooting boxes every 24-48 hours... not
exactly what I had in mind when I thought LVS would help in creating a
high-available service... :(

Hrm... as Joe said, maybe this is UDP related; that would be rather unusual though.

I have a three-node DNS cluster using DR running a custom-compiled 2.4.23 kernel, but it isn't getting the query rate you're stating. I have no problems with it whatsoever. For comparison can you do:

ipvsadm -Ln
ipvsadm -Ln --rate

sanitising the output to protect the innocent (or guilty!), obviously ;-)

[root@dns02 root]# ipvsadm -Ln
IP Virtual Server version 1.0.10 (size=65536)
Prot LocalAddress:Port Scheduler Flags
 -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
FWM  5 wlc
 -> 192.168.80.4:53              Route   10     0          17287
 -> 192.168.80.3:53              Route   10     0          17285
 -> 192.168.80.2:53              Local   10     0          17286

[root@dns02 root]# ipvsadm -Ln --rate
IP Virtual Server version 1.0.10 (size=65536)
Prot LocalAddress:Port                 CPS    InPPS   OutPPS    InBPS   OutBPS
 -> RemoteAddress:Port
FWM  5                                 127      312        0    22546        0
 -> 192.168.80.4:53                    42      107        0     7811        0
 -> 192.168.80.3:53                    40      101        0     7237        0
 -> 192.168.80.2:53                    45      104        0     7498        0


Have you fiddled with the bucket size, BTW?

Graeme


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