There is a fix in 3.5.3 dealing with adding data sources that have NAN values which may be causing this issue. I have clusters with 200+ machines and I do not see this particular behavior in 3.5.3.
Vladimir On Mon, 17 Sep 2012, John Desantis wrote: > Hello all, > > I originally posted this message to the ganglia-users list, but I > never received a response so I figured I'd go ahead and email the > ganglia-developers list. > > As with usual mailing list respect, I apologize if I have somehow > missed a pre-existing thread that covered the error that I'm > experiencing and cannot seem to solve. > > I've noticed that my larger clusters (60+ nodes) don't report stacked > graphs properly, i.e. (and specifically!) "load_one". All I get is a > broken image link with the following error log snippet taken from an > Apache log: > > ERROR: parameter 'a139' does not represent a number in line > STACK:a139#E50009:foo_hostname > > I also ran the rrdtool command on the console itself (taken by adding > &debug=5 into the graph URL) afterwards and got the same error: > > ERROR: parameter 'a139' does not represent a number in line > STACK:a139#E50009:foo_hostname > > I've tried updating rrdtool from 1.2.27 to 1.4.5-1; taking a shot in > the dark by updating stacked.php per > https://github.com/ganglia/ganglia-web/issues/114 and > https://github.com/jbuchbinder/ganglia > web/commit/727b1ffc9e3e8a2979ea23107acefca53ef5ddf0 (although > stacked.php in ganglia-web 3.5.2 already has this in place); adjusting > timeouts within Apache and PHP (another shot in the dark); > removing the "load_one.rrd" from /var/lib/ganglia/rrds... directory; > restarts of both gmetad and gmond (although it definitely seems to be > an rrdtool error). > > I've searched through the rrdtool user mailing list and haven't found > any useful posts. > > I was wondering if anyone else has run into this issue before and if > they were able to get it resolved and if so, what suggestions one may > have. > > Thanks for your time, > John DeSantis > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Ganglia-developers mailing list > Ganglia-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ganglia-developers > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Ganglia-developers mailing list Ganglia-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ganglia-developers
