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Have you tried using strace to see what's happening in terms of system
calls to the kernel?
Luca Maranzano wrote:
>Hello all,
>
>I've set up a Linux Virtual Server on 2 Debian 3.1 boxes with the
>following software:
>
>- kernel 2.6.11-smp (1 CPU with hyper threading)
>- heartbeat 1.2.3
>- ldirectord 1.2.3
>- ipvsadm 1.24+1.21-1
>
>I need to set up a Local Director to balance a bunch of Windows 2000
>Servers where clients connect via RDP (3389/tcp).
>
>In order to support failover and failback I'have configured ipvsadm in
>the following way on both servers:
>
>/sbin/ipvsadm --start-daemon master --mcast-interface eth5
>/sbin/ipvsadm --start-daemon backup --mcast-interface eth5
>
>and it seems to work as expected, connections get synchronized on the
>slave from the master. The only problem is that the CPU load is always
>over 2.00 (when ipvs_syncmaster and ipvs_syncbackup runs both), is
>always 1.00 if I only run ipvs_syncmaster on one node and if I stop
>the daemons it drops down to 0.0. So I'm sure that the ipvsadm daemon
>is eating all CPU time.
>
>Is this a known bug? The systems is still responsive but this high
>load looks really strange to me. May be someone has experienced a
>similar load with a similar setup?
>
>TIA.
>Kind regards,
>Luca
>
>
>
>
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