On Dec 16, 2011, at 10:28 AM, Maciek Lasyk wrote:
I've been trying to make a basic ganglia configuration: one gmetad
getting data from 2 clusters (11 sources and 1 source) via unicast.
Unfortunately with attached configuration I see only the first host
from data_source
It appears you're
I'd be glad to have a reference for all the settings and variables that are
being used in the various .json files. As far as I can tell, the only
documentation is the php code itself.
Some more verbosity about making custom reports (the stuff that lives in
graph.d) would be nice too. Reports
On Nov 3, 2011, at 10:49 PM, Eytan Daniyalzade wrote:
I am running a cluster with around 80 nodes, and ganglia-server is
running on EC2 with 8G. Loading the main page or a host view on
ganglia takes fairly long, ~20sec. It looks like this is taking as
long as the view is making sequential
On Oct 13, 2011, at 11:52 AM, Aidan Wong wrote:
This is my first post on this Ganglia list =). I'm using the new Ganglia web
2.1.8 . Has anyone been able to create a graph that aggregates one common
metric for several hosts.
Try looking at the aggregate graphs tab on the web interface.
Has anyone come up with a clever hack for getting rrd graphs produced by
ganglia to use the same axis clamp?
At this point, my main issue is with the new Views page, where I've
configured a view showing the 15 minute load average for 6 hosts. Every single
graph has a different Y axis scale,
, at 2:46 PM, Seth Graham wrote:
Has anyone come up with a clever hack for getting rrd graphs produced by
ganglia to use the same axis clamp?
At this point, my main issue is with the new Views page, where I've
configured a view showing the 15 minute load average for 6 hosts. Every
On Jun 22, 2011, at 4:15 PM, Alex Dean wrote:
That requires that the view name match the cluster name, right?
Yes, it requires the view and the cluster to match.
Could you post your changes somewhere so we could see what you did?
I attached a gzipped diff of the gweb-2.0 release against
On Jun 9, 2011, at 12:10 PM, Alex Dean wrote:
I started off intending to allow per-view edit access, just like we allow
per-cluster edit access for optional graphs. The complication is that each
resource (a view or a cluster) in the ACL is only identified by a simple
string. Thus you
On Jun 8, 2011, at 8:25 PM, Alex Dean wrote:
Hi Seth. I'm just back from a week off the grid, and trying to get caught up
on a mountain of electronic stuff. Here's my quick response. Please let me
know if more explanation is required.
Nope, the explanation makes sense. The only thing I
I'm having some issues getting the user roles working as expected.
The wiki instructs something like:
$acl-addRole( $username, GangliaAcl::GUEST );
$acl-allow( $username, $cluster, GangliaAcl::EDIT );
Which does not result in the little blue + sign to be drawn next to graphs.
From line 71 in
On Apr 22, 2011, at 9:43 AM, Alex Dean wrote:
I'd like to get some feedback on how we should configure gweb's default
access permissions.
#1. $conf['auth_system']=false; will disable authorization, so no logins
are required and the system behaves like the current ganglia web frontend.
That might work, but I don't think anyone sets up their ganglia so that a
single gmond is trying aggregate all clusters. That's what the gmetad daemon is
for.
Also note that even though you have a separate multicast address for each
cluster, the port still has to be unique. The port is what
On Mar 23, 2011, at 10:12 AM, Ron Cavallo wrote:
I see. So I need a separate IP AND A SEPARATE PORT. Got it.
Also, I use a single gmond in each cluster to aggregate the single
cluster. I configure the gmetad to talk to only gmond from each cluster.
Is that wrong?
No, your configuration is
On Mar 23, 2011, at 10:34 AM, Ron Cavallo wrote:
Ahhh wait! I do!! On the AGGREGATION Server, I have both a gmetad.conf
and a gmond.conf (I also monitor the server itself).
I configured RECEIVE channels in the gmond.conf on the aggregation
server for every cluster, specifying the IP that
On Mar 22, 2011, at 10:53 AM, Ron Cavallo wrote:
I see other examples where I have to go hunting around for cluster members
that aren't reporting into the proper cluster.
Any ideas?
Double check the ports in use in the gmond.conf on the machines that are
misbehaving.
Also note that
On Mar 11, 2011, at 1:51 PM, Afef MDHAFFAR wrote:
Hi all,
I am trying to modify the source code of Ganglia in order to make ganglia
able to send monitored data via network connection to another component.
I noticed that it sums the metric values of all nodes composing the cluster
(eg.
On Mar 11, 2011, at 2:30 PM, Bernard Li wrote:
Hi Seth:
On Fri, Mar 11, 2011 at 12:26 PM, Seth Graham set...@fnal.gov wrote:
You shouldn't need to modify the ganglia source to do this. If you want the
per-host value, parse the XML coming from gmond. Every host has an entry in
this XML
On Mar 1, 2011, at 11:26 AM, William Saxton wrote:
Hi all (potential) new ganglia user here, with a couple quick questions
that I couldn't find the answers to via google.
1) Where can I find how ganglia gathers information from a system?
Well, it's an open source project, so you can
On Jan 12, 2011, at 4:22 PM, Bernard Li wrote:
Hi Seth:
On Wed, Jan 12, 2011 at 1:31 PM, Seth Graham set...@fnal.gov wrote:
Migrating to unicast eliminated the firewall issues, means only a select few
machines have to keep metrics in memory, and no more cross talk with other
groups. I
On Jan 12, 2011, at 9:39 AM, John Williams wrote:
I have also taken this one step further by installing our server on a brand
new Dell R710 with 6x240GB SSD (RAID5). Ganglia is the only thing running on
the server. I received the same errors after just a few minutes of running.
I have
On Jan 12, 2011, at 3:12 PM, Jesse Becker wrote:
In light of the recent discussions over metadata and unicast vs.
multicast, we (meaning Bernard) have created a poll on
http://ganglia.info/ to try and gauge the use of each. Please let us
know if you use multicast, unicast, or both in your
On Jan 10, 2011, at 2:11 PM, Sayler, Steven (Contractor) wrote:
Because of our network, multicast protocol will be a major problem. Is there
a way to run ganglia gmond/gmetad via tcp/ip?
Yes, look into the udp_send_channel option for gmond.conf.
If you specify a host and port gmond will
Yes, because all of the ganglia data is stored in an xml format. You telnet to
a gmetad or gmond process and get a dump of everything that daemon knows about.
Makes it easy to write additional tools because xml parsers are a dime a dozen.
It's fast enough to be used in a web page.. I use it
On Oct 29, 2010, at 5:24 AM, nigel.le...@uk.bnpparibas.com wrote:
For various convoluted reasons, I would like to copy my rrd files to another
server, and view them as a point in time archive. In effect just have the
webfrontend running, and no gematd or gmond processes.
Any ideas ?
On Sep 21, 2010, at 1:52 PM, Jesse Becker wrote:
You can avoid this by using unicast to specifically designated
collector gmonds (then having gmetad poll those for overall status).
Or by enabling 'deaf' on machines that you don't want collecting data and are
stuck on multicast for whatever
On Aug 10, 2010, at 2:15 PM, Bernard Li wrote:
But I just want to clarify that we are *not* abandoning the
mailing-list and IRC. Web forums isn't really my cup of tea either
but I just wanted to make sure that forum users have a place to get
their questions answered about Ganglia if they
On 5/7/10 9:37 AM, Brad Nicholes wrote:
This is the process which packages a metric into a very small packet which
can be passed between systems safely.
Apologies for barging into this discussion, but I've been working on
getting used to the modules features of ganglia this week and this
Daniel Pocock wrote:
- is it important for users to maintain the files manually, or will the
focus shift to tools, web interface or config files generated from some
other enterprise data source?
I've been content with the existing file format for the 7 or so years
I've been running
.
http://img90.imageshack.us/img90/1203/ganglia1.jpg
http://img194.imageshack.us/img194/4039/ganglia2.jpg
Thank you very much for your help.
Thanach
Inactive hide details for Seth Graham set...@fnal.govSeth Graham
set...@fnal.gov
*Seth Graham set...@fnal.gov
How many machines are you monitoring? Are you getting the page headers
at all?
php defaults for memory allowance are pretty small. I forget what the
default is, but whenever a php script exceeds this limit the script will
exit. In the case of ganglia, this usually means either no graphs, or
jiangyouu wrote:
Hi!
I want preserve rrd database as long as possible,and review specific
day (or hour even minute )'s specific data(like cpu Utilization rate
,network Utilization rate ),but the default value of dear Mr Ganglia
is one year.
The resolution of stored data is configured when
timl wrote:
I'm running ganglia version 3.1.0 and periodically gmond seems to stop
collecting data. I can see the incoming traffic to the server and the
web pages show the hosts as being up, but no data is logged.
Originally I started seeing this on 3.0.5 so I upgraded.. but the
lastest
Daniel Bourque wrote:
Currently, I have this as the revc_channel on the gmond accepting info
from all the worker nodes:
udp_recv_channel {
port = 8666
family = inet4
}
I don't see how this channel is associated with a particular cluster
. If I add another udp_recv_channel , and
Daniel Bourque wrote:
Hi,
my setup is as follow, 2 PBS head nodes running torque, moab ,
ganglia and a group of compute nodes running pbs_mom. Ganglia's gmond is
running on the headnodes in mute mode.
I'm trying to get rid of the localhost.localdomain node that now shows
up in
Daniel Bourque wrote:
I don't want ganglia to report on the nodes running pbs_server. I only
care about the compute nodes. having non compute nodes in ganglia
messes up the usage statistics.
The proper way to fix this is have your pbs server submit ganglia
information on a different port
Bernard Li wrote:
Hi Kirk:
On Wed, Jun 25, 2008 at 1:53 PM, Kirk McDonald
[EMAIL PROTECTED] wrote:
gmetad runs on a certain host. Also on that host are a number of gmond
instances, which are the gmond instances polled by gmetad. Each of
these instances is reported to by a separate
Jesse Becker wrote:
Bernard Li wrote:
While not exactly what you have in mind, but have you taken a look at
the JobMonarch project?
https://subtrac.sara.nl/oss/jobmonarch/
AFAIK it does also work with SGE.
Meh...not really. It's under development, and doesn't work so well
with the 6.x
Bernard Li wrote:
Dear Ganglia community:
Was browsing our SourceForge website and found this description of the
project:
Ganglia is a scalable distributed monitoring system for
high-performance computing systems such as clusters and Grids. It is
based on a hierarchical design targeted at
Sai p Seshasayee wrote:
Hi Team,
I am a new user to ganglia. I have been trying to setup ganglia to run
in Unciast mode. Please get back to me regarding the same.
Configuration for gmetad is identical for both unicast and multicast.
The only difference is the gmond.conf on your machines.
Bernard Li wrote:
Hi Seth:
On Fri, Jun 6, 2008 at 7:45 AM, Seth Graham [EMAIL PROTECTED] wrote:
We have ~3000 machines being monitored with ganglia, but the load is split
between two separate machines. Probably not the statistic you were after. :)
Best machine I had available when
Owens, David L wrote:
In the gmetad.conf file I have data_source called Non_Prod with four
servers ie: hostname:8649. These four servers are on the same subnet. I
want to add two machines that are on a different subnet. I have tried
different ports but will not display under Non_Prod. Any
Martin Hicks wrote:
The configuration of gmetad has been modified to store the rrds in
/dev/shm, but this directory gets very large so I'd like to move away
from that.
Using tmpfs is pretty much your only option. As you discovered, the disk
I/O will bring most machines to their knees.
Is
Buccaneer for Hire. wrote:
Hey All,
Anyone have an XML parser or pointer for more
information for gmetad? I am trying to get a
notifier together. THX
There's one in ganglia.php in the web frontend. I chopped it up for use
in some of my personal scripts and works well.. assuming you're
Ben Hartshorne wrote:
I created a ramdisk when my cluster grew beyond ~50 nodes (I report a
lot of extra statistics). I use an actual ramdisk instead of tmpfs
(though I chose it out of ignorance when I first set it up, wikipedia[*]
says that tmpfs might swap to disk whereas ramfs is just
Ofer Inbar wrote:
gmetad is very write-intensive, because it updates hundreds of RRD
files about every minute or two. Has anyone tried running it with
the rrd directory on a RAM disk (tmpfs) ?
You'd need something to periodically copy the RRDs to a real disk,
but that could happen much
Buccaneer for Hire. wrote:
The simplicity is a major plus as well as the
integration w/ Globus. With a little thinking you can
extend the reporting easily.
The only think I with I had was notification. I have
a large cluster and a number a smaller (128 nodes)
and it would make it easier
[EMAIL PROTECTED] wrote:
Perhaps we could create a simple anonymous survey for Ganglia users?
Code authors could then be guided quantitively by what the community
is really doing - what kind of hosts they monitor - what they use
in Ganglia, and what they may need.
What do you (all) think?
Martin Knoblauch wrote:
Richard,
depending on the cluster size, writing the RRDs via NFS might turn out
to be a huge bottleneck.
Writing them to local disk is sometimes bad enough.
Reading them over nfs may be okay though, depends how often users are
hitting reload.
Cheers
Martin
---
Jeremy Hansen wrote:
I've setup ganglia in the past and typically it's pretty straight forward.
Now I have to deal with nodes being in two completely separate networks
where it seems udp broadcast are most likely filtered.
Is there just a simple config option to have nodes contact a host
Ben Hartshorne wrote:
On Mon, Feb 26, 2007 at 01:06:23PM -0600, Seth Graham wrote:
Ben Hartshorne wrote:
It seems to me that using the name to determine cluster membership would
simplify things for the people configuring ganglia.
It would, but when you have 3000+ machines all chattering
The rrd creation values can be found in gmetad/rrd_helpers.c and
gmetad/conf.c
Ian Wootten wrote:
Hi all,
I want to replicate ganglia's storage in Java, using a multicast
listener, storing and manipulating using rrd4j. Firstly has anyone done
anything similar? I'm struggling knowing
Ian Wootten wrote:
Hmm,
Apologies for the empty reply. Thanks for those suggestions...
I'm assuming we're talking kernel modules here,
No, we're not. The term 'module' is probably being misapplied here, the
stuff being discussed is a module in the sense it extends basic ganglia
Ben Hartshorne wrote:
On Tue, Aug 08, 2006 at 04:22:41PM +0100, Ian Wootten wrote:
I am facing a problem in that I would like short-segment up to date
information from ganglia in order to monitor services after invocation.
One method I have heard of that achieves something similar; write a
[EMAIL PROTECTED] init.d]# telnet strauss01 8649
Trying 192.168.1.110...
Connected to strauss01.
Escape character is '^]'.
Connection closed by foreign host.
Is anyone got any ideas?
When I started getting this, I had to add the server I was connecting from as
one of the trusted_hosts
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