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Full Discussion: Nearly Random, Uncorrelated Server Load Average Spikes
Top Forums UNIX for Advanced & Expert Users Nearly Random, Uncorrelated Server Load Average Spikes Post 303044257 by stomp on Monday 17th of February 2020 11:35:28 AM
Old 02-17-2020
Quote:
Originally Posted by Neo
I'm not inclined to install an application which relies on HTTP at the data transport layer to monitor a LAMP application where HTTP and apache2 are at the core of the problem. However, for a different scenario, an HTTP-transport based monitoring system might be "just the ticket".
I'm not sure if you understood it right. Prometheus is getting the Performance data via http, that's correct, but it does not use the installed http-server which is serving normal http requests. That obviously would be senseless for the reason you mentioned.

That data provisioning is done by exporters which are tiny lightweight webservers running standalone on the target systems. Like the apache exporter(see here). And well - "lightweight" might be a bit irritating label for a binary with 12 MB size, but as it is go it is statically compiled that's a bit different from a normal dynamically linked executable.

The apache exporter fetches data from apache status module and listens on port 9117 by default.
Last edited by stomp; 02-17-2020 at 12:56 PM..
 

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LEARN ABOUT SUNOS

asadmin-delete-http-listener

asadmin-delete-http-listener(1AS)				   User Commands				 asadmin-delete-http-listener(1AS)

NAME

       asadmin-delete-http-listener, delete-http-listener - removes the HTTP listener

SYNOPSIS

       delete-http-listener  --user admin_user[--password admin_password] [--host localhost] [--port 4848] [--secure|-s] [--passwordfile filename]
       [--terse=false] [--echo=false] [--interactive=true] httplistener_ID

       Removes the HTTP listeners. This command is supported in remote mode only.

OPTIONS

       --user		       authorized domain application server administrative username.

       --password	       password to administer the domain application server.

       --host		       machine name where the domain application server is running.

       --port		       port number of the domain application server listening for administration requests.

       --secure 	       if true, uses SSL/TLS to communicate with the domain application server.

       --passwordfile	       file containing the domain application server password.

       --terse		       indicates that any output data must be very concise, typically avoiding human-friendly sentences and favoring well-
			       formatted data for consumption by a script. Default is false.

       --echo		       setting to true will echo the command line statement on the standard output. Default is false.

       --interactive	       if set to true (default), only the required password options are prompted.

OPERANDS

       listener_id	       listener ID of the HTTP listener.

       Example 1: Using delete-http-listener

       asadmin> delete-http-listener --user admin1
       --password adminadmin1 --host pigeon --port 5001 sampleListener
       Deleted http listener with id = sampleListener

       Where: sampleListener is the HTTP listener deleted.

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

       asadmin-create-http-listener(1AS), asadmin-list-http-listeners(1AS)

J2EE 1.4 SDK							    March 2004					 asadmin-delete-http-listener(1AS)
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