Hey Matt:
There have been a few instances where nodes simply 'disappear' from the
reports when they are actually down - I wonder if there were some
setting errors?
Thanks,
Bernard
Matt Massie wrote:
bernard-
each ganglia machine sends out a periodic heartbeat message telling the
group "i'm here". if the heartbeat messages stop for a particular
machine, then the other hosts mark it as dead. if ganglia simply
stopped reporting information about it then you would never know one of
your hosts crashed and needs to be repaired.
-matt
On Fri, 2003-12-12 at 12:26, Bernard Li wrote:
How does ganglia determine whether a node is down or not? It seems that
if a node went down the ganglia webpage would simply stop reporting
information about it (as if it doesn't exist, instead of marking it as
down).
Thanks,
Bernard
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