> > I tried feeding one of my custom metrics by hand: > > [root ~]$ gmetric --name net_smtp_fin_wait2_out --value 0 --type uint8 > > --units > > 'connections' > > /etc/ganglia/gmond.conf:94: failed to determine the temp dir > > Parse error for '/etc/ganglia/gmond.conf' > > > > Then, I cd'ed over to a filesystem that is still in read/write mode: > > [root /otherfilesys]$ gmetric --name net_smtp_fin_wait2_out --value 0 > > --type uint8 > > --units 'connections' > > > > No error, and it worked. > > > > What's the dependency that causes gmetric to require that the > > filesystem the CWD is on be writeable? Does it really need that > > dependency? It's great that Ganglia is so robust in the face of > > failures, but it'd be even better if gmetric were also as robust.
Someone wrote me to suggest running it with strace, which is an obvious thing to do but unfortunately I didn't think of it at the time of the failure (it was late at night). However, Brad knows the answer: Brad Nicholes <[EMAIL PROTECTED]> wrote: > Both gmetric and gmond read the same .conf file. If the .conf file > has an include() statement that specifies a wildcard file path, > processing the wildcard path requires a temp directory. If you Removing the wildcard doesn't seem ideal, since it's something one might want to use and it's part of the standard config, so removing it and then forgetting that seems like a likely cause of confusion. Also, most people would never think to investigate something that's in the supplied conf file and doesn't seem to cause harm. If we want robustness in the face of failure, having gmetric and gmond able to run without having to write to disk sounds like a better goal. Is it doable? Why does it need to write to a temp directory to process a wildcard? Are there any other parts of gmond or gmetric that depend on being able to write to disk? It seems that both of these programs should be able to avoid writing to disk entirely (except for swap/paging space on a memory-starved host). -- Cos ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general
