אוק 17

Monitoring moodle server with nagios

Nagios is a popular open source computer system and network monitoring software application. It watches hosts and services, alerting users when things go wrong and again when they get better. Nagios offers complete monitoring and alerting for servers, switches, applications, and services.There are plenty of ways you can monitor a server using nagios for example through ssh, nrpe or snmp. In this blog post I will be explaining monitoring parameters of an Ubuntu server running Moodle.

פורסם ב: Monitoring moodle server with nagios.

בנוסף, תוסף מקומי למוודל אשר מאפשר ניטור של תהליכים ושרותים פנימיים במופע מוודל כלשהו: https://github.com/pauln/local_nagios

אוק 02

JMeter test plan generator – MoodleDocs

The JMeter test plan generator allows you to run performance tests over a Moodle course, it works along with https://github.com/moodlehq/moodle-performance-comparison, you can find more info about how to use it in https://github.com/moodlehq/moodle-performance-comparison/blob/master/README.md

פורסם ב: JMeter test plan generator – MoodleDocs.

ספט 29

Install Mtop (MySQL Database Server Monitoring) in RHEL/CentOS 6/5/4, Fedora 17-12

mtop (MySQL top) is an open source real time MYSQL Server monitoring program written in Perl language that shows queries which are taking longer time to process and kills those longer queries after certain number of specified time. Mtop program enable us to monitor and identify performance and related issues of MySQL Server from the command line interface similar to Linux Top Command.

Mtop includes zooming feature that display query optimizer information of a running queries and killing queries, it also shows statistics of server, configuration information and some useful tuning tips to optimize and improve MySQL performance.

Please check some of the following features offered by Mtop program.

  1. Display real time MySQL server queries.
  2. Provides MySQL configuration information.
  3. Zooming feature to display process query.
  4. Provides query Optimizer information for a query and ‘killing’ queries.
  5. Provides MySQL tuning tips.
  6. Ability to save output in a .mtoprc configuration file.
  7. Provides Sysadmin recommendation page (‘T‘).
  8. Added queries/second to main header.
  9. Added per second info to stats screen.

פורסם ב: Install Mtop (MySQL Database Server Monitoring) in RHEL/CentOS 6/5/4, Fedora 17-12.

ספט 14

Moodle 2.4 Beta performance test – comparison with Moodle 2.3

Moodle 2.4 Beta performance test – comparison with Moodle 2.3

And also some previous tests, comparing Moodle 2.X to Moodle 1.9.X

פורסם ב: Moodle 2.4 Beta performance test – comparison with Moodle 2.3 | I Teach With Moodle | Sharing good practice using Moodle in and out of the classroom.

יול 18

The Hosting Infrastructure Behind Massive Open Online Courses

What’s typically needed for instances of tens of thousands of students, he says, is a Network File System solution capable of significant I/O speed and enterprise-grade disks.

Moodlerooms shares infrastructure with its parent company, education technology provider Blackboard, which acquired it last year. Miller says the infrastructure itself includes Dell blade servers, NetApp storage and all the enterprise-grade infrastructure needed to underpin a high-availability private cloud. The application is virtualized using VMware.

פורסם ב: The Hosting Infrastructure Behind Massive Open Online Courses.

יול 07

Tim’s blog: XHProf Performance-testing Moodle

Moodle’s profiling tool

When your software is too slow, you need measurements to tell you which are the slow bits. Tools that do that are called profilers. One of the better profiling tools for PHP is called XHProf. The good news is that it has already been integrated into Moodle, and there is documenation about getting it working. Basically, you just need to install a PHP extension and turn on some options under Admin -> Development -> Profiling.

ב: Tim’s blog: Performance-testing Moodle.