[Ganglia-general] Random blank timeslots in graphs

2014-05-19 Thread Cristovao Jose Domingues Cordeiro
Hi, this is happening in two completely different (but with the same deployment method) Ganglia headnodes. I'm monitoring about 500 VM's (on each headnode), separated by clusters of different sizes. From time to time, the summary graphs over some cluster stop reporting, showing zero activity,

Re: [Ganglia-general] Random blank timeslots in graphs

2014-05-19 Thread Vladimir Vuksan
Error 1 sending messages are a red herring. If you are seeing gaps it's most likely that storage system is not keeping up. What version of ganglia are you using and are you using rrdcached ? Vladimir On 05/19/2014 10:20 AM,

Re: [Ganglia-general] Random blank timeslots in graphs

2014-05-19 Thread Cristovao Jose Domingues Cordeiro
...@veus.hr] Sent: 19 May 2014 16:37 To: Cristovao Jose Domingues Cordeiro; ganglia-general@lists.sourceforge.net Subject: Re: [Ganglia-general] Random blank timeslots in graphs Error 1 sending messages are a red herring. If you are seeing gaps it's most likely that storage system is not keeping up

Re: [Ganglia-general] Random blank timeslots in graphs

2014-05-19 Thread Vladimir Vuksan
To: Cristovao Jose Domingues Cordeiro; ganglia-general@lists.sourceforge.net Subject: Re: [Ganglia-general] Random blank timeslots in graphs Error 1 sending messages are a red herring