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Limit of LVS NAT ?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Limit of LVS NAT ?
From: Ritesh Agrawal <ritesh.a@xxxxxxxxxxxxx>
Date: Wed, 14 Sep 2005 11:03:09 +0530
Dear All,
   
     Really ultramonkey is working well with RHEL v4 (kernel 2.6.9)  in
my cluster environment.... My question is what's the exteme limit of LVS
NAT 
How  many real servers it can support.How much throughput it can
deliver. How much it's connection limit, how can i increase maximum
connections.
As i read the document in linuxvirtualserver.org , LVS NAT works fine in
around 20 real servers.
But what would be happened if i add more than 30 real servers in
cluster.
is it hard limit or what ? , because i am using medium range server(dell
poweredge 1850) with Gbit switch , so network  should not be bottleneck.
even director's configuration is dual P-4 2.4 Ghz processor with 4 GB
RAM.

To improve the efficiency of director what should i do, like increasing
socket window size , MTU value of NIC ?
Your experience will help me 


Regards
Ritesh Agrawal



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