Administering Platform LSF - SAS

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$Intel(R) Math Kernel Library for Linux* OS User's Guide$

Deadline Constraint Scheduling Deadline Constraint Scheduling Deadline constraints Deadline constraints will suspend or terminate running jobs at a certain time. There are 2 kinds of deadline constraints: ◆ A run window, specified at the queue level, suspends a running job ◆ A termination time, specified at the job level (bsub -t), terminates a running job Time-based resource usage limits ◆ ◆ A CPU limit, specified at job or queue level, terminates a running job when it has used up a certain amount of CPU time. A run limit, specified at the job or queue level, terminates a running job after it has spent a certain amount of time in the RUN state. How deadline constraint scheduling works If deadline constraint scheduling is enabled, LSF will not place a job that will be interrupted by a deadline constraint before its run limit expires, or before its CPU limit expires, if the job has no run limit. In this case, deadline constraint scheduling could prevent a job from ever starting. If a job has neither a run limit nor a CPU limit, deadline constraint scheduling has no effect. Deadline constraint scheduling only affects the placement of jobs. Once a job starts, if it is still running at the time of the deadline, it will be suspended or terminated because of the deadline constraint or resource usage limit. Disabling deadline constraint scheduling Example Deadline constraint scheduling is enabled by default. To disable it for a queue, set IGNORE_DEADLINE=y in lsb.queues. LSF will schedule jobs in the liberal queue without observing the deadline constraints. Begin Queue QUEUE_NAME = liberal IGNORE_DEADLINE=y End Queue 174 Administering Platform LSF
Chapter 11 Deadline Constraint and Exclusive Scheduling Exclusive Scheduling About exclusive scheduling Exclusive scheduling gives a job exclusive use of the host that it runs on. LSF dispatches the job to a host that has no other jobs running, and does not place any more jobs on the host until the exclusive job is finished. How exclusive scheduling works When an exclusive job (bsub -x) is submitted to an exclusive queue (EXCLUSIVE = Y in lsb.queues) and dispatched to a host, LSF locks the host (lockU status) until the job finishes. LSF cannot place an exclusive job unless there is a host that has no jobs running on it. To make sure exclusive jobs can be placed promptly, configure some hosts to run one job at a time. Otherwise, a job could wait indefinitely for a host in a busy cluster to become completely idle. An exclusive job cannot preempt another job, and cannot be preempted by another job. Configuring an exclusive queue To configure an exclusive queue, set EXCLUSIVE in the queue definition (lsb.queues) to Y. Configuring a host to run one job at a time Submitting an exclusive job To make sure exclusive jobs can be placed promptly, configure some singleprocessor hosts to run one job at a time. To do so, set SLOTS=1 and HOSTS=all in lsb.resources. To submit an exclusive job, use the -x option of bsub and submit the job to an exclusive queue. Administering Platform LSF 175
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Administering Platform LSF® Versio
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Contents Welcome . . . . . . . . .
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Contents Part II: Working with Reso
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Contents 17 Reserving Resources . .
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Contents 30 External Job Submission
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Contents 40 Non-Shared File Systems
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Welcome Contents ◆ “About This
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Welcome Command notation Notation M
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Welcome Platform LSF License Schedu
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Welcome Resource requirement specif
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Welcome Run-time enhancements Threa
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Welcome Environment variables ◆
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Welcome New files added to installa
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Technical Support Contact Platform
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C H A P T E R 1 About Platform LSF
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Chapter 1 About Platform LSF Job sl
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Chapter 1 About Platform LSF Master
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Chapter 1 About Platform LSF Master
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Chapter 1 About Platform LSF Host t
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Chapter 1 About Platform LSF Extern
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Chapter 1 About Platform LSF Job Li
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C H A P T E R 2 How the System Work
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Chapter 2 How the System Works Queu
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Chapter 2 How the System Works Disp
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Job Execution Environment Shared us
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Fault Tolerance Dynamic master host
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P A R T I Managing Your Cluster Con
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Viewing Cluster Information Viewing
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Default Directory Structures Defaul
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Default Directory Structures Window
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Controlling Daemons Controlling Dae
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Controlling mbatchd Controlling mba
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Reconfiguring Your Cluster 3 Run ba
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Host States Host States Host states
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Viewing Host Information Viewing Ho
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Viewing Host Information type Viewi
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Controlling Hosts Controlling Hosts
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Adding a Host Adding a Host Use lsf
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Removing a Host Removing a Host CAU
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Adding and Removing Hosts Dynamical
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Adding and Removing Hosts Dynamical
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Adding Host Types and Host Models t
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Registering Service Ports NIS or NI
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Host Naming Host Naming Network add
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Hosts with Multiple Addresses Examp
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Host Groups Host Groups Where to us
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Tuning CPU Factors Tuning CPU Facto
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Handling Host-level Job Exceptions
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Handling Host-level Job Exceptions
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Queue States Queue States Queue sta
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Viewing Queue Information SCHEDULIN
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Controlling Queues Controlling Queu
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Controlling Queues Dispatch Windows
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Managing Queues Managing Queues Res
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Handling Job Exceptions Configuring
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Job States Job States The bjobs com
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Job States Viewing wait status and
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Viewing Job Information Viewing exc
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Switching Jobs from One Queue to An
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Suspending and Resuming Jobs Suspen
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Sending a Signal to a Job Sending a
Page 124 and 125: Using Job Groups Creating a job gro
Page 126 and 127: Using Job Groups % bhist -l 105 You
Page 128 and 129: Viewing User and User Group Informa
Page 130 and 131: About User Groups About User Groups
Page 132 and 133: LSF User Groups LSF User Groups You
Page 134 and 135: LSF User Groups 134 Administering P
Page 137 and 138: C H A P T E R 8 Understanding Resou
Page 139 and 140: Chapter 8 Understanding Resources T
Page 141 and 142: Chapter 8 Understanding Resources S
Page 143 and 144: How LSF Uses Resources Viewing job
Page 145 and 146: Chapter 8 Understanding Resources S
Page 147 and 148: Chapter 8 Understanding Resources V
Page 149 and 150: Chapter 8 Understanding Resources A
Page 151 and 152: C H A P T E R 9 Adding Resources Co
Page 153 and 154: Adding New Resources to Your Cluste
Page 155 and 156: Chapter 9 Adding Resources Configur
Page 157 and 158: Static Shared Resource Reservation
Page 159 and 160: Chapter 9 Adding Resources Configur
Page 161 and 162: Chapter 9 Adding Resources ELIM res
Page 163 and 164: Modifying a Built-In Load Index Con
Page 165: P A R T III Scheduling Policies Con
Page 168 and 169: Specifying Time Values Specifying T
Page 170 and 171: Specifying Time Expressions Specify
Page 172 and 173: Automatic Time-based Configuration
Page 176 and 177: Exclusive Scheduling 176 Administer
Page 178 and 179: About Preemptive Scheduling About P
Page 180 and 181: How Preemptive Scheduling Works Job
Page 182 and 183: Configuring Preemptive Scheduling Q
Page 184 and 185: Configuring Preemptive Scheduling 1
Page 186 and 187: About Resource Requirements About R
Page 188 and 189: Queue-Level Resource Requirements V
Page 190 and 191: About Resource Requirement Strings
Page 192 and 193: Selection String Selection String S
Page 194 and 195: Order String Order String Syntax De
Page 196 and 197: Usage String Example rusage[mem=50:
Page 198 and 199: Span String Span String Syntax A sp
Page 200 and 201: Same String 200 Administering Platf
Page 202 and 203: About Fairshare Scheduling About Fa
Page 204 and 205: User Share Assignments Examples ◆
Page 206 and 207: Dynamic User Priority Default dynam
Page 208 and 209: Host Partition Fairshare Host Parti
Page 210 and 211: Queue-Level User-based Fairshare Qu
Page 212 and 213: Cross-queue Fairshare bqueues -l al
Page 214 and 215: Cross-queue Fairshare 3 In all the
Page 216 and 217: Hierarchical Fairshare Viewing hier
Page 218 and 219: Queue-based Fairshare Queue-based F
Page 220 and 221: Configuring Slot Allocation per Que
Page 222 and 223: Viewing Queue-based Fairshare Alloc
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Typical Slot Allocation Scenarios T
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Typical Slot Allocation Scenarios W
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Typical Slot Allocation Scenarios T
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Using Historical and Committed Run
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Using Historical and Committed Run
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Users Affected by Multiple Fairshar
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Ways to Configure Fairshare Ways to
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Ways to Configure Fairshare Example
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Using Goal-Oriented SLA Scheduling
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Using Goal-Oriented SLA Scheduling
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Configuring Service Classes for SLA
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Viewing Information about SLAs and
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Viewing Information about SLAs and
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Understanding Service Class Behavio
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C H A P T E R 16 Resource Allocatio
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Chapter 16 Resource Allocation Limi
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C H A P T E R 17 Reserving Resource
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Chapter 17 Reserving Resources Usin
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Chapter 17 Reserving Resources Usin
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Chapter 17 Reserving Resources View
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C H A P T E R 18 Managing Software
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Host Locked Licenses Chapter 18 Man
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Network Floating Licenses Chapter 1
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Chapter 18 Managing Software Licens
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C H A P T E R 19 Dispatch and Run W
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Run Windows Configuring run windows
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C H A P T E R 20 Job Dependencies C
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Chapter 20 Job Dependencies ◆ In
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Chapter 20 Job Dependencies externa
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C H A P T E R 21 Job Priorities Con
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Chapter 21 Job Priorities Specifyin
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C H A P T E R 22 Job Requeue and Jo
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Chapter 22 Job Requeue and Job Reru
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C H A P T E R 23 Job Checkpoint, Re
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Approaches to Checkpointing Kernel-
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Chapter 23 Job Checkpoint, Restart,
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Checkpointing a Job Prerequisites C
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Making Jobs Checkpointable Manually
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Enabling Periodic Checkpointing At
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Restarting Checkpointed Jobs Requir
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Chapter 23 Job Checkpoint, Restart,
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C H A P T E R 24 Chunk Job Dispatch
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Chapter 24 Chunk Job Dispatch Confi
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Submitting and Controlling Chunk Jo
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Chapter 24 Chunk Job Dispatch Fairs
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C H A P T E R Ë 25 Job Arrays LSF
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Chapter 25 Job Arrays Maximum size
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Redirecting Standard Input and Outp
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Chapter 25 Job Arrays Job Array Dep
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Chapter 25 Job Arrays Specific job
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Requeuing a Job Array Chapter 25 Jo
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P A R T V Controlling Job Execution
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About Resource Usage Limits About R
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Specifying Resource Usage Limits Sp
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Specifying Resource Usage Limits If
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Supported Resource Usage Limits and
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CPU Time and Run Time Normalization
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Automatic Job Suspension Automatic
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Suspending Conditions Suspending Co
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Suspending Conditions Viewing suspe
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About Pre-Execution and Post-Execut
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Configuring Pre- and Post-Execution
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Configuring Pre- and Post-Execution
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About Job Starters About Job Starte
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Command-Level Job Starters Command-
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Queue-Level Job Starters Queue-Leve
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Controlling Execution Environment U
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Understanding External Executables
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Using esub Option LSB_SUB_EXCEPTION
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Using esub General esub logic Rejec
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Using esub # Deny userC the ability
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Working with eexec Working with eex
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Default Job Control Actions Default
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Configuring Job Control Actions Con
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Configuring Job Control Actions Exa
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Customizing Cross-Platform Signal C
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C H A P T E R 32 Interactive Jobs w
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Chapter 32 Interactive Jobs with bs
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Interactive Batch Job Messaging Lim
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Running X Applications with bsub Ch
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C H A P T E R 33 Running Interactiv
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Chapter 33 Running Interactive and
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Interactive Tasks Chapter 33 Runnin
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P A R T VII Running Parallel Jobs C
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How LSF Runs Parallel Jobs How LSF
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Submitting Parallel Jobs Submitting
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Submitting MPI Jobs Submitting MPI
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Starting Parallel Tasks with LSF Ut
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Specifying a Minimum and Maximum Nu
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Specifying a Mandatory First Execut
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Controlling Processor Allocation Ac
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Running Parallel Processes on Homog
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Using LSF Make to Run Parallel Jobs
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Limiting the Number of Processors A
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Reserving Processors Reserving Proc
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Reserving Memory for Pending Parall
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Allowing Jobs to Use Reserved Job S
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Allowing Jobs to Use Reserved Job S
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Parallel Fairshare Parallel Fairsha
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Optimized Preemption of Parallel Jo
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About Advance Reservation About Adv
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Configuring Advance Reservation ◆
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Using Advance Reservation Adding a
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Using Advance Reservation Removing
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Using Advance Reservation 6:10 0 10
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Using Advance Reservation Modifying
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Using Advance Reservation 474 Admin
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C H A P T E R 36 Event Generation C
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Chapter 36 Event Generation Events
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C H A P T E R 37 Tuning the Cluster
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Adjusting LIM Parameters RUNWINDOW
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Chapter 37 Tuning the Cluster Compa
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Changing Default LIM Behavior to Im
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Chapter 37 Tuning the Cluster Whene
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Tuning mbatchd on UNIX Operating sy
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C H A P T E R 38 Authentication Con
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Chapter 38 Authentication eauth -c
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Chapter 38 Authentication How LSF d
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Chapter 38 Authentication Correctin
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Chapter 38 Authentication About Dae
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User Account Mapping Chapter 38 Aut
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C H A P T E R 39 Job Email, and Job
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Chapter 39 Job Email, and Job File
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C H A P T E R 40 Non-Shared File Sy
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Chapter 40 Non-Shared File Systems
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Chapter 40 Non-Shared File Systems
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C H A P T E R 41 Error and Event Lo
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Chapter 41 Error and Event Logging
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System Event Log CAUTION Chapter 41
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Chapter 41 Error and Event Logging
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C H A P T E R 42 Troubleshooting an
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Common LSF Problems LIM dies quietl
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Chapter 42 Troubleshooting and Erro
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Setting Daemon Timing Levels Chapte
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P A R T IX LSF Utilities Contents
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About lstcsh About lstcsh The lstcs
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Local and Remote Modes Local and Re
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Differences from Other Shells Diffe
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Starting lstcsh Starting lstcsh Sta
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Host Redirection Host Redirection E
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Built-in Commands Built-in Commands
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Writing Shell Scripts in lstcsh Wri
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Index job migration 321 job requeue
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Index D daemons authd 496 authentic
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Index file spooling. See command fi
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Index Internet addresses, matching
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Index host locked 279 interactive j
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Index pre-42 UNIX directory structu
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Index disabling 317 job-level 317 q
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Index associating with hosts 155 Bo
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Index status closed in bhosts 70 jo
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Index 580 Administering Platform LS
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