Re: [HTCondor-users] HTCondor and condor_ganglia issues

[Valerio Bellizzomi <valerio@xxxxxxxxxx>]

I have contributed a systemd start file for ganglia-alert which sends mail alerts.

https://github.com/ganglia/ganglia_contrib/pull/48/commits

the ganglia_config.txt look like this:

"

email_to: xxx@xxxxxxx

email_from: xxx@xxxxxxx

subject: Alert from Ganglia

group_by: alert

log_file: /var/log/ganglia-alert.log

pid_file: /var/run/ganglia-alert.pid

gmetad_server: 192.168.0.xxx:8651

digest_secs: 10

sleep_secs: 5

alert: $disk_free < .05 * $disk_total

alert/10: $load_one > $cpu_num - 1

"

Ganglia documentation and config files have examples of other usable parameters.

On Tue, 2021-07-27 at 15:45 +0000, John M Knoeller wrote:

I'm not sure why the condor_gangliad would be running if you did not add it to your daemon list.   But the error is because you need to put GANGLIAD in your daemon list not GANGLIA_D. 

Instructions for how to handle the case where the metad is on a different machine than the condor_collector is here

Monitoring â HTCondor Manual 9.1.0 documentation

-tj

From: HTCondor-users <htcondor-users-bounces@xxxxxxxxxxx> on behalf of Nagaraj Panyam <pn@xxxxxxxxxxx>
Sent: Tuesday, July 27, 2021 6:34 AM
To: htcondor-users@xxxxxxxxxxx <htcondor-users@xxxxxxxxxxx>
Subject: [HTCondor-users] HTCondor and condor_ganglia issues

 

Hi,

I am trying to configure HTcondor's ganglia monioring. In that context, I see something I do not understand.

Firstly, I see the process condor_gangliad even though it is not in the DAEMON_LIST. config_val_dump shows DAEMON_LIST = MASTER COLLECTOR NEGOTIATOR SCHEDD). Is this expected?

Secondly, When I specifically add GANGLIA_D to DAEMON_LIST in condor config file, the error given below shows up in MasterLog. Where do I add the executable path? We  have CONDOR_VERSION = 8.9.13

GANGLIA_D is in the DAEMON_LIST parameter, but there is no executable path for it defined in the config files!
ERROR "Must have the path to GANGLIA_D defined." at line 1606 in file /var/lib/condor/execute/slot1/dir_19111/userdir/.tmp9djsO9/BUILD/condor-8.9.13/src/condor_master.V6/masterDaemon.cpp

Thirdly, after resolving above issues, what is the scheme to hookup HTCondor's monitoring to existing Ganglia? We will have condor_gangliad on same machine as Collector, and Ganglia's metad running on a different host.

Thanks

Nagaraj

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