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Clustering and Job Priority
Basic Concepts Qube! makes use of a concept it calls "clusters". The clusters in a Qube farm are laid out in a tree-like structure, much like a directory tree where files…Clustering
A diagram showing how the same 4 jobs have their priority sorted differently depending on which cluster the job and worker are each in. Workers in the / cluster (also…Cluster priority evaluation
Job 1500 - cluster /B, priority 1 Job 1400 - cluster /B, priority 9999 Job 1300 - cluster /A, priority 1 Job 1200 - cluster /A, priority 9999 / ( root) cluster Job 1500…Cluster priority evaluation.png
_SimpleCMD_QubeWorkerSelection
Restrictions Restrict job to run only on specified clusters ("||"-separated) [+ means all below, * means at that level]. Click 'Browse' to choose from a list…_SimpleCMD_QubeUIWorkerSelection
with "host.memory=X" which means only reserve X memory on the worker while running this job Restrictions Restrict job to run only on specified clusters ("||"-separated…qbmodify
to string --mpriority int Modify job priority to int --mrequirements string Modify job requirements to string --mrestrictions string Modify job restrictions…client_restrictions
Synopsis client_restrictions = restrictions The client applications will use restrictions as the default job restriction if not specified. _restrictionsSyntax Defaults…Controlling Host Selection
There are several way to control which hosts the supervisor will select when deciding where to start job instances on the farm. These are based on restrictions that can…qbsub
--restrictions string Job restrictions expression - worker_restrictions --pid int Parent job to submitted job --pgrp int Process group ID --cluster…
