[Linux-cluster] reducing heartbeat interval

[mehmet celik]

  hii, you don't setup to 2 sec. because at 2 seconds, this is not complete 
the process (see also newcluster_timeout & joinwait_timeout).

>From: garylua at singnet.com.sg
>Reply-To: garylua at singnet.com.sg,linux clustering 
><linux-cluster at redhat.com>
>To: linux clustering <linux-cluster at redhat.com>
>Subject: Re: [Linux-cluster] reducing heartbeat interval
>Date: Tue, 08 May 2007 09:06:25 +0800 (SGT)
>
>i'm trying to reduce the heartbeat interval of the cluster to as low as 
>possible, but it seems that the the status of my servives are checked every 
>10 seconds, indicating that my heartbeat interval seems to be 10 seconds. 
>Is there a minimum value of the hellp_timer which i can set?
>
>Also, I inserted the line with the hello_timer into my cluster.conf file as 
>Patrick recommended, but the heartbeat interval still remains at 10 sec 
>even though I've changed the value to 2. Thx
>
>
>--- mehmet celik <bsd_daemon at msn.com> wrote:
>
> >
> >    what is problem ?
> >
> > >From: garylua at singnet.com.sg
> > >Reply-To: garylua at singnet.com.sg,linux clustering
> > ><linux-cluster at redhat.com>
> > >To: Patrick Caulfield <pcaulfie at redhat.com>
> > >CC: linux clustering <linux-cluster at redhat.com>
> > >Subject: Re: [Linux-cluster] reducing heartbeat interval
> > >Date: Mon, 07 May 2007 13:55:47 +0800 (SGT)
> > >
> > >Hi,
> > >
> > >I've added the line into my cluster.conf and it does not seem to
> > work. I've
> > >changed my hello_timer to 2 seconds and when i start the cluster, I
> > checked
> > >the /proc/cluster/status/config/hello_timer and it says 2. But when
> >  i did
> > >a > tail -f /var/log/messages |grep cluster, I still see the the
> > status of
> > >each service is being checked every 10 seconds. Can somebody tell
> > me where
> > >did i go wrong? thanks
> > >
> > >
> > >
> > >--- Patrick Caulfield <pcaulfie at redhat.com> wrote:
> > >
> > > > garylua at singnet.com.sg wrote:
> > > > > Hi Patrick,
> > > > >
> > > > > Thanks for the response. I understand that the hello_timer
> > > > parameter is the heartbeat interval. However, when i look at my
> > > > cluster.conf, there is no entry for the hello_timer or the
> > > > deadnode_timer. Do i have to add the line into my cluster.conf
> > file?
> > > > thanks
> > > > >
> > > >
> > > > Yes, you'll need to add it by hand. We don't normally fill in
> > those
> > > > defaults
> > > > because we don't encourage people to play with them!
> > > >
> > > > --
> > > > Patrick
> > > >
> > > > Registered Address: Red Hat UK Ltd, Amberley Place, 107-111
> > Peascod
> > > > Street,
> > > > Windsor, Berkshire, SL4 ITE, UK.
> > > > Registered in England and Wales under Company Registration No.
> > > > 3798903
> > > >
> > >
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