Hi Fabio,
I think you have to change this in gmetad.conf:
RRA:AVERAGE:0.5:1 :5856# 1 day @ 15 second res
Read Monitoring with Ganglia ebook, it's well explained there.
On Wed, Mar 4, 2015 at 8:31 AM, Fabio C. anyte...@gmail.com wrote:
Hi everyone,
I've been using Ganglia installed through Ambari on an hadoop cluster. Now
we want to change sampling rate from 15 seconds to something lower, say 5
secs.
We edited the gmetad.conf as specified in the comments, obtaining
something like:
data_source my cluster *5* localhost my.machine.edu:8649 1.2.3.5:8655
We restarted all the ganglia services and we are pretty sure it is now
using the updated config file, but the sampling rate is still 15 seconds.
We also tried to change the collection_group-collect-every to 5 seconds
too, but with the same old behavior.
Is there something we may be missing?
Thanks
Fabio
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