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Properties and Uses
under the Qube user permissions of the user who owns the callback Common uses of a callback: Job dependency chaining Job completion email Job logging event…Event Model
Qube is an even-driven queuing system. Because of this, Qube inherently tracks common job events. These include events such as when a job starts running, or when a host reports new resources available. The advantage of an event-driven system is that the q…Packages
A job in Qube consists of information used to 'route' the job to the proper host; to determine what priority the job carries; and how to execute the job. In a simple queuing system, the information on how to execute a job is typically a single string repr…Work Agendas
Qube supports an abstract coordination concept called a work agenda. By definition, it is a list of "things to do". The use of a job agenda allows for the most flexible and dynamic use of processor power, with the use of third party applications such as M…API Functions
Result Number of seconds since the Unix Epoch (00:00:00, Jan 1, 1970). Comments qbcurrentuser Purpose Returns the current user name…Job Labels
to a feedback loop job easily. The other alternative is to use the job's name to identify the job's dependency relationship. This method doesn't work well because a user is then committed…Custom Queuing Algorithms
Although Qube! is shipped with several pre-built and optimized queuing algorithms, Qube! also allows developers to take advantage of the research PipelineFX has done in queuing system design to write their own queuing system algorithm. This is a feature h…Scripting custom queuing algorithms
This is done using a script file plug-in written in Perl. The qb.conf setting for this is as follows: supervisor_queue_binding = Perl supervisor_queue_library = plugin_path This document isn't meant to be a tutorial on the Perl scripting language so we wi…Dynamic Menus
Dynamically loaded menus [New in Qube 6.1] All the main and popup menus are dynamically loaded and exposed to the user. This allows one add, remove, or tweak the menu…Perl API Reference
if no query): "prototype": job type "ID": job ID "priority": job priority "user": job owner "label": job label "account": job accounting "pid": process ID "pgrp…