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Re: Problem with rr scheduling

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Problem with rr scheduling
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Mon, 18 Nov 2002 07:20:14 -0500
Kiran Nagaraja wrote:

>  Mon correctly removes an unreachable backend node (node crash). And
> dutifully adds it back when the node comes back up. and ipvsadm shows all
> the 5 nodes are active in the set. But at this point, the node in question
> sees only about 1-5 requests/sec???? While the others are seeing almost
> N/4 requests/sec instead of N/5 where N was 500 in our case. Any ideas
> why this would happen? 

nothing obvious.

How about you disassemble the failout process, ie remove a realserver
with ipvsadm from the command line, and then add it back, and see
the request rate.

Joe 
-- 
Joseph Mack PhD, Senior Systems Engineer, SAIC contractor 
to the National Environmental Supercomputer Center, 
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA


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