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Re: ipvs_syncmaster brings cpu to 100%

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: ipvs_syncmaster brings cpu to 100%
From: Horms <horms@xxxxxxxxxxxx>
Date: Thu, 13 Oct 2005 13:54:30 +0900
On Wed, Oct 12, 2005 at 01:28:53PM -0400, Roger Tsang wrote:
> Hi Luca,
> 
> Technically you're not the only one doing the HA and running into this
> problem. I'm running OpenSSI-1.9 based on kernel-2.6.10 which includes LVS.
> I ran into this ipvs_syncmaster and ipvs_syncbackup waiting in msleep()
> problem too, but on AMD64 UP. For me it kicks in randomly and when it does
> load average never goes below 1.0. I'm running failover, so ipvs_syncmaster
> and ipvs_syncbackup are running on separate boxes.
> 
> I managed to fix my problem permanently. If memory serves me right, all I
> had to do was revert ssleep() back to the old schedule_timeout() code in
> ipvs_syncmaster() and ipvs_syncbackup(). Hope this helps.

That is pretty much the fix that we are working with at the moment.

-- 
Horms

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