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Special Forums UNIX and Linux Applications Infrastructure Monitoring Using Node-RED and MQTT to Monitor Server and Application Stats Post 303043733 by Neo on Wednesday 5th of February 2020 07:28:19 AM
Old 02-05-2020
Well, those changes did not help much.... looks like here is some "underground" process running every three hours causing the spikes:

Using Node-RED and MQTT to Monitor Server and Application Stats-screen-shot-2020-02-05-72457-pmjpg


I checked all the forum software and all the cron files on the server, but so far, no joy in finding the process causing the intermittent performance hit.
 

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Mojo::Server(3pm)					User Contributed Perl Documentation					 Mojo::Server(3pm)

NAME
Mojo::Server - HTTP server base class SYNOPSIS
use Mojo::Base 'Mojo::Server'; sub run { my $self = shift; # Get a transaction my $tx = $self->build_tx; # Emit "request" event $self->emit(request => $tx); } DESCRIPTION
Mojo::Server is an abstract HTTP server base class. EVENTS
Mojo::Server can emit the following events. "request" $server->on(request => sub { my ($server, $tx) = @_; ... }); Emitted when a request is ready and needs to be handled. $server->unsubscribe('request'); $server->on(request => sub { my ($server, $tx) = @_; $tx->res->code(200); $tx->res->headers->content_type('text/plain'); $tx->res->body('Hello World!'); $tx->resume; }); ATTRIBUTES
Mojo::Server implements the following attributes. "app" my $app = $server->app; $server = $server->app(MojoSubclass->new); Application this server handles, defaults to a Mojo::HelloWorld object. "app_class" my $app_class = $server->app_class; $server = $server->app_class('MojoSubclass'); Class of the application this server handles, defaults to the value of the "MOJO_APP" environment variable or Mojo::HelloWorld. METHODS
Mojo::Server inherits all methods from Mojo::EventEmitter and implements the following new ones. "new" my $server = Mojo::Server->new; Construct a new Mojo::Server object and subscribe to "request" event with default request handling. "build_tx" my $tx = $server->build_tx; Let application build a transaction. "load_app" my $app = $server->load_app('./myapp.pl'); Load application from script. say Mojo::Server->new->load_app('./myapp.pl')->home; "run" $server->run; Run server. Meant to be overloaded in a subclass. SEE ALSO
Mojolicious, Mojolicious::Guides, <http://mojolicio.us>. perl v5.14.2 2012-09-05 Mojo::Server(3pm)
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