LVS
lvs-users
Google
 
Web LinuxVirtualServer.org

Re: what is an "active connection" for scheduling?

To: Joseph Mack <mack.joseph@xxxxxxx>
Subject: Re: what is an "active connection" for scheduling?
Cc: Joseph Mack <mack.joseph@xxxxxxxxxxxxxxx>, lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Julian Anastasov <ja@xxxxxx>
Date: Mon, 14 May 2001 16:00:29 +0300 (EEST)
        Hello,

On Mon, 14 May 2001, Joseph Mack wrote:

> ahem, I didn't have ip_tables compiled into the two slower real-servers
> (and I didn't look at my own error messages). They seem to be running
> more identically now. (Will watch it for a few hours before I'm sure.)

        Yes, if the test is started when all rs are present (and when
all conns are expired) they should be loaded equally.

> the client is using ports from 1025-4999 (has about 2000 open
> at one time) and it's not going above the 4999 barrier. ipvsadm
> shows a constant InActConn of 990-995 for all realservers,
> but the number of connections on each of the real-servers (netstat -an)
> ranges from 400-900.
>
> So if the client is reusing ports (I thought you always incremented
> the port by 1 till you got to 64k and then it rolled over again),
> LVS won't create a new entry in the hash table if the old one
> hasn't expired?

        Yes, it seems you have (5000-1024) connections that never expire
in LVS.

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


Regards

--
Julian Anastasov <ja@xxxxxx>



<Prev in Thread] Current Thread [Next in Thread>