On Mon, 23 Dec 2002 18:40:26 -0500 Nicholas Henke <[EMAIL PROTECTED]> wrote:
> Hello-- > I have installed ganglia on several of our clusters, but it > would seem > that the multi-cast channel is pumping a ton of data. On a 96 node > cluster, I am seeing around 20-30Kb/s average data transfer on the > multicast channel ( seen via ntop ). I am _very_ interested in > reducing this, otherwise we will have to remove ganglia. I have seen > the 'deaf' and 'mute' options in gmond.conf, but have not seen a > difference while using them in traffic patterns. > > Is there any way to disable the multicast channel, and just have each > node reports stats to one monitoring server ? Any updates to this? I have had to dump the use of ganglia on our clusters until we can get around this. It is killing MPI and NFS latencies. Nic -- Nicholas Henke Linux Cluster Systems Programmer Liniac Project - Univ. of Pennsylvania

