Re: [Ganglia-general] Empty graphs appear for remote hosts

2013-11-12 Thread Maciej Lasyk 
Ok so check your gmond.conf and make sure that send_metadata_interval is
higher than 0 (60 for instance). From the manual:

send_metadata_interval (integer_value in seconds):

Establishes the interval at which gmond will send or resend the metadata
packets
that describe each enabled metric. This directive by default is set to 0,
which means
that gmond will send the metadata packets only at startup and upon request
from
other gmond nodes running remotely. If a new machine running gmond is added
to a cluster, it needs to announce itself and inform all other nodes of the
metrics
that it currently supports. In multicast mode, this isn’t a problem,
because any
node can request the metadata of all other nodes in the cluster. However,
in unicast
mode, a resend interval must be established. The interval value is the
minimum
number of seconds between resends.


regards,
Maciej Lasyk

GPG key ID: 4FED49C5
GPG public key: http://maciek.lasyk.info/gpg_maciej_lasyk.asc


On Mon, Nov 11, 2013 at 8:52 PM, Stas Oskin stas.os...@gmail.com wrote:


 On Mon, Nov 11, 2013 at 9:32 PM, Maciej Lasyk mac...@lasyk.info wrote:

 Multicast or unicast?


 Unicast.




 Btw - we're not continuing this on ganglia-general? ;)

 Sorry, copied.


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Re: [Ganglia-general] some questions about ganglia

2013-11-12 Thread Maciej Lasyk 
Hi,

I believe that I'm experiencing deja-vu... ;)

Ad1: Users can find easily any metric in gweb. Just use Aggregate graphs
or views functions. If for some reason You'd like to completely switch
off some graphs you could simply cut not needed metrics o nodes by removing
those from /etc/ganglia/gmond.conf. You can also group metrics so users
could easily see only those they want (for example in
gweb/conf(_default).php - just read this whole file and set things the way
it feets your needs. Also remember that you could create your own web
template.

Ad2: RRDs are greatly configurable regarding to storage needs. Just
reconfigure those in /etc/ganglia/gmetad.conf (section: Round-Robin
Archives)

regards,
Maciej Lasyk

GPG key ID: 4FED49C5
GPG public key: http://maciek.lasyk.info/gpg_maciej_lasyk.asc


On Tue, Nov 12, 2013 at 3:02 AM, 酃點℡ lqs...@foxmail.com wrote:



  Hi  all,

 I am a user of ganglia. When I used ganglia , most of the functions
 work fine, but there still some problems confused me:

1.  As all we known, ganglia web view so many metrics. Is there a way
 to cut some metrics that user don't care about  so that they can easily
 find the metric they want ?

2.  Ganglia stored the data into Round Robin Database,  as the time
 passed by , the file size of rrd storage grown up. So Is their a way just
 keep half of year data or only one month?

if anyone know anything about it , please answer me.  Thanks!


 Best Regards
 --
 Allen


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