sched_config

openPBS的开放源代码

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#       Makefile for Custom PBS scheduler
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# $Id: sched_config,v 1.5.4.3 2000/09/13 22:43:20 jjones Exp $
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###############################################################################
# Constant configuration file for the psched scheduler.  This file needs to 
# be copied to the $(PBS_SERVER_HOME)/sched_priv directory before starting 
# the scheduler. This should be done automatically during the installation
# process.
# 
# Required arguments are marked by three question marks, ???. A default has
# been provided for those options which provide scheduler optimizations. 
# If you do not wish to take advantage of an option, comment out the line.
#
# Boolean options take "On", "True", "Yes", "1" for true (case insensitive), 
# and anything else as false.
#
###############################################################################

###############################################################################
# This scheduler uses two execution queue types.  Any changes to the queue 
# names in qmgr's list should be added here and vice versa.  
###############################################################################
#
# The queues on the following lists are ordered from highest scheduling 
# priority to lowest.  These are comma separated lists, if more space is 
# required, the list can be split into multiple lines.  Each line must be
# prefaced by the appropriate configuration option directive.
#
# All queues are associated with a particular execution host.  They may be
# specified either as 'queuename' or 'queuename@exechost'.  If only the name
# is given, the canonical name of the local host will be automatically
# appended to the queue name.

# The "normal" scheduling algorithm picks jobs off the SUBMIT_QUEUE and
# attempts to run them on the BATCH_QUEUES. Jobs are enqueued onto the
# SUBMIT_QUEUE via the 'qsub' command (set the default queue name in PBS
# with the 'set server default_queue' qmgr command), and remain there
# until they are rejected, run, or deleted.  The host attached to the
# SUBMIT_QUEUE is ignored - it is assumed to be on the server.
#
# Note that this implies that the SUBMIT_QUEUE's resources_max values must
# be the union of all the BATCH_QUEUES' resources.
#
SUBMIT_QUEUE	submit

# BATCH_QUEUES is a list of execution queues onto which the scheduler should
# move and run the jobs it chooses from the SUBMIT_QUEUES. Hosts can be listed
# in any order, and multple BATCH_QUEUES lines are permitted if necessary. 
# (Using multiple lines is in fact recommended, as there is a 512 character
# limit for each BATCH_QUEUE directive. The full cannonical name of the
# execution hosts is NOT required.
# 
BATCH_QUEUES	[e-mail],[e-mail],[e-mail]

# EXPRESS_QUEUE is the name of the "highest priority" queue, jobs from which
# will run before all else, checkpointing other jobs as necessary
#
EXPRESS_QUEUE	express

###############################################################################
# These options are used to optimize system load average and scheduler 
# effectiveness. It is a good idea to monitor system load as the user community 
# grows, shrinks, or changes its focus from porting and debugging to 
# production. These defaults were selected for a 64 processor system with 16gb 
# of memory. 
###############################################################################
#
# Target Load Average refers to a target percentage of the maximum system 
# load average (1 point for each processor on the machine).  It may vary
# as much as the +/- percentages listed in TARGET_LOAD_VARIANCE.  Jobs may
# or may not be scheduled if the load is too high or too low, even if the
# resources indicate that doing so would otherwise cause a problem.
# The values below attempt to maintain a system load within 75% to 100% of
# the theoretical maximum (load average of 48.0 to 64.0 for a 64-cpu machine).
TARGET_LOAD_PCT			90%		
TARGET_LOAD_VARIANCE		-15%,+10%

###############################################################################
# These options are used to enforce site-specific policies. It is a good idea 
# to reevaluate these policies as the user community grows, shrinks, or changes
# its focus from porting and debugging to production.
###############################################################################
#
# Check for Prime Time Enforcement.  Sites with a mixed user base can use 
# this option to enforce separate scheduling policies at different times
# during the day. If ENFORCE_PRIME_TIME is set to "False", the non-prime-time
# scheduling policy (as described in BATCH_QUEUES) will be used for the entire
# 24 hour period.
#
ENFORCE_PRIME_TIME		False

# Prime-time is defined as a time period each working day (Mon-Fri)
# from PRIME_TIME_START through PRIME_TIME_END.  Times are in 24
# hour format (i.e. 9:00AM is 9:00:00, 5:00PM is 17:00:00) with hours, 
# minutes, and seconds.  Sites can use the prime-time scheduling policy for 
# the entire 24 hour period by setting PRIME_TIME_START and PRIME_TIME_END 
# back-to-back.  The portion of a job that fits within primetime must be
# no longer than PRIME_TIME_WALLT_LIMIT (represented in HH:MM:SS).
#
#PRIME_TIME_START		9:00:00
#PRIME_TIME_END			17:00:00
#PRIME_TIME_WALLT_LIMIT		1:00:00

# Choose an action to take upon scheduler startup.  The default is to do no
# special processing (NONE).  In some instances, a job can end up queued in
# one of the batch queues, since it was running before but was stopped by PBS.
# If the argument is RESUBMIT, these jobs will be moved back to the queue
# the job was originally submitted to, and scheduled as if they had just
# arrived. If the argument is RERUN, the scheduler will have PBS run any
# jobs found enqueued on the execution queues. This may cause the machine
# to get somewhat confused, as no limits checking is done (the assumption
# being that they were checked when they were enqueued).
#
SCHED_RESTART_ACTION		RESUBMIT

# Define how long a job should be allowed to wait in the queue before
# being given "extra" priority to run. The priority given is exceeded
# only by the priority of the Express queue jobs. Note that this extra
# priority is ignored for jobs that from over-fairshare queue, as well
# as if the job owner has exceeded his/her max running job limit.
# Value is express in hours:minutes:seconds  (default is 5 days)
#
MAX_WAIT_TIME			120:00:00

# Define the threshold at which to choose to Suspend a job rather than
# Checkpoint it. Specified value is the percentage of remaining time for
# the job
#
SUSPEND_THRESHOLD		10

# Define the action to take if both Suspend and Checkpoint fail for a
# given job. Given that the primary purpose of checkpoint is to free up
# resources for a very-high-priority job, setting this to "1" (True)
# tells the schduler to force a qhold/qrerun/qrls of the job. This will
# FORCE the job back into a queued state. If the user has done no job-level
# checkpointing, then the job will be restarted from the beginning.
#
FORCE_REQUEUE			True

# Specify whether or not to have the scheduler update the job's comment
# field with a reason as to why the job is not running.
# Default is true
#
UPDATE_COMMENTS			True

# If specified, this directive will tell the scheduler to dump an ordered
# listing of the jobs to the named file. Useful for users and debugging,
# but an expensive operation with LOTS of jobs queued, since the file is
# rewritten for each run of the scheduler.
#
SORTED_JOB_DUMPFILE		/PBS/sched_priv/sorted_jobs

# Name of file into which to save 'fair-share' info. File is rewritten
# hourly to ensure current data is saved across scheduler runs. Data in
# file is recalcuated daily in order to maintain historical share usage
# 
SHARE_INFO_FILE			/PBS/sched_priv/share_usage

# Fair Access Directive specify "shares" (or percentages) of the system
# on a per-queue basis, as well as a (soft limit) for the maximum number
# of running jobs per-user (percent of total cpus). (See the Custom
# Scheduler Admin Guide for details.) Format is:
#
#		FAIR_SHARE QUEUE:name_of_queue:shares:max_run_limit
#
FAIR_SHARE QUEUE:low:10:10
FAIR_SHARE QUEUE:med:15:10
FAIR_SHARE QUEUE:hi:40:10
FAIR_SHARE QUEUE:special:35:10