Administering Platform LSF - SAS

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

Specifying Resource Usage Limits If you submit a job to the queue with the -W option, the maximum run limit is used: % bsub -W 12 myjob The job myjob is allowed to run on the queue because the specified run limit (12) is less than the maximum run limit for the queue (15). % bsub -W 20 myjob The job myjob is rejected from the queue because the specified run limit (20) is more than the maximum run limit for the queue (15). Specifying job-level resource usage limits To specify resource usage limits at the job level, use one of the following bsub options: ◆ -C core_limit ◆ -c cpu_limit ◆ -D data_limit ◆ -F file_limit ◆ -M mem_limit ◆ -p process_limit ◆ -W run_limit ◆ -S stack_limit ◆ -T thread_limit ◆ -v swap_limit Job-level resource usage limits specified at job submission override the queue definitions. 350 Administering Platform LSF
Supported Resource Usage Limits and Syntax Core file size limit CPU time limit Job syntax (bsub) Queue syntax (lsb.queues) Fomat/Units -C core_limit CORELIMIT=limit integer KB Chapter 26 Runtime Resource Usage Limits Sets a per-process (soft) core file size limit in KB for each process that belongs to this batch job. On some systems, no core file is produced if the image for the process is larger than the core limit. On other systems only the first core_limit KB of the image are dumped. The default is no soft limit. Job syntax (bsub) Queue syntax (lsb.queues) Fomat/Units -c cpu_limit CPULIMIT=[default] maximum [hours:]minutes[/host_name | /host_model] Sets the soft CPU time limit to cpu_limit for this batch job. The default is no limit. This option is useful for avoiding runaway jobs that use up too many resources. LSF keeps track of the CPU time used by all processes of the job. When the job accumulates the specified amount of CPU time, a SIGXCPU signal is sent to all processes belonging to the job. If the job has no signal handler for SIGXCPU, the job is killed immediately. If the SIGXCPU signal is handled, blocked, or ignored by the application, then after the grace period expires, LSF sends SIGINT, SIGTERM, and SIGKILL to the job to kill it. You can define whether the CPU limit is a per-process limit enforced by the OS or a per-job limit enforced by LSF with LSB_JOB_CPULIMIT in lsf.conf. Jobs submitted to a chunk job queue are not chunked if the CPU limit is greater than 30 minutes. Format Normalized CPU time cpu_limit is in the form [hour:]minute, where minute can be greater than 59. 3.5 hours can either be specified as 3:30 or 210. The CPU time limit is normalized according to the CPU factor of the submission host and execution host. The CPU limit is scaled so that the job does approximately the same amount of processing for a given CPU limit, even if it is sent to a host with a faster or slower CPU. For example, if a job is submitted from a host with a CPU factor of 2 and executed on a host with a CPU factor of 3, the CPU time limit is multiplied by 2/3 because the execution host can do the same amount of work as the submission host in 2/3 of the time. If the optional host name or host model is not given, the CPU limit is scaled based on the DEFAULT_HOST_SPEC specified in the lsb.params file. (If DEFAULT_HOST_SPEC is not defined, the fastest batch host in the cluster is used as the default.) If host or host model is given, its CPU scaling factor is used to adjust the actual CPU time limit at the execution host. The following example specifies that myjob can run for 10 minutes on a DEC3000 host, or the corresponding time on any other host: Administering Platform LSF 351
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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
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Using Job Groups Creating a job gro
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Using Job Groups % bhist -l 105 You
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Viewing User and User Group Informa
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About User Groups About User Groups
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LSF User Groups LSF User Groups You
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LSF User Groups 134 Administering P
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C H A P T E R 8 Understanding Resou
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Chapter 8 Understanding Resources T
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Chapter 8 Understanding Resources S
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How LSF Uses Resources Viewing job
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Chapter 8 Understanding Resources S
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Chapter 8 Understanding Resources V
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Chapter 8 Understanding Resources A
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C H A P T E R 9 Adding Resources Co
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Adding New Resources to Your Cluste
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Chapter 9 Adding Resources Configur
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Static Shared Resource Reservation
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Chapter 9 Adding Resources Configur
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Chapter 9 Adding Resources ELIM res
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Modifying a Built-In Load Index Con
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P A R T III Scheduling Policies Con
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Specifying Time Values Specifying T
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Specifying Time Expressions Specify
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Automatic Time-based Configuration
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Deadline Constraint Scheduling Dead
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Exclusive Scheduling 176 Administer
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About Preemptive Scheduling About P
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How Preemptive Scheduling Works Job
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Configuring Preemptive Scheduling Q
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Configuring Preemptive Scheduling 1
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About Resource Requirements About R
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Queue-Level Resource Requirements V
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About Resource Requirement Strings
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Selection String Selection String S
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Order String Order String Syntax De
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Usage String Example rusage[mem=50:
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Span String Span String Syntax A sp
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Same String 200 Administering Platf
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About Fairshare Scheduling About Fa
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User Share Assignments Examples ◆
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Dynamic User Priority Default dynam
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Host Partition Fairshare Host Parti
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Queue-Level User-based Fairshare Qu
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Cross-queue Fairshare bqueues -l al
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Cross-queue Fairshare 3 In all the
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Hierarchical Fairshare Viewing hier
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Queue-based Fairshare Queue-based F
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Configuring Slot Allocation per Que
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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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Page 309 and 310: Approaches to Checkpointing Kernel-
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Page 313 and 314: Checkpointing a Job Prerequisites C
Page 315 and 316: Making Jobs Checkpointable Manually
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Page 319 and 320: Restarting Checkpointed Jobs Requir
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Page 323 and 324: C H A P T E R 24 Chunk Job Dispatch
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Page 331 and 332: C H A P T E R Ë 25 Job Arrays LSF
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Page 343: P A R T V Controlling Job Execution
Page 346 and 347: About Resource Usage Limits About R
Page 348 and 349: Specifying Resource Usage Limits Sp
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Page 358 and 359: CPU Time and Run Time Normalization
Page 360 and 361: Automatic Job Suspension Automatic
Page 362 and 363: Suspending Conditions Suspending Co
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Page 366 and 367: About Pre-Execution and Post-Execut
Page 368 and 369: Configuring Pre- and Post-Execution
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Page 372 and 373: About Job Starters About Job Starte
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Page 376 and 377: Queue-Level Job Starters Queue-Leve
Page 378 and 379: Controlling Execution Environment U
Page 380 and 381: Understanding External Executables
Page 382 and 383: Using esub Option LSB_SUB_EXCEPTION
Page 384 and 385: Using esub General esub logic Rejec
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Page 390 and 391: Default Job Control Actions Default
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Page 399 and 400: 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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