Users’ Manual

• Welcome to HTCondor
• Introduction
• Matchmaking with ClassAds
  • Inspecting Machine ClassAds with condor_status
• Running a Job: the Steps To Take
  • Choosing an HTCondor Universe
• Submitting a Job
  • Sample submit description files
  • Using the Power and Flexibility of the Queue Command
  • Variables in the Submit Description File
  • Including Submit Commands Defined Elsewhere
  • Using Conditionals in the Submit Description File
  • Function Macros in the Submit Description File
  • About Requirements and Rank
  • Submitting Jobs Using a Shared File System
  • Submitting Jobs Without a Shared File System: HTCondor’s File Transfer Mechanism
  • Environment Variables
  • Heterogeneous Submit: Execution on Differing Architectures
  • Jobs That Require GPUs
  • Interactive Jobs
• Managing a Job
  • Checking on the progress of jobs
  • Removing a job from the queue
  • Placing a job on hold
  • Changing the priority of jobs
  • Why is the job not running?
  • Job in the Hold State
  • In the Job Event Log File
  • Job Completion
• Priorities and Preemption
  • Job Priority
  • User priority
  • Details About How HTCondor Jobs Vacate Machines
• Java Applications
  • A Simple Example Java Application
  • Less Simple Java Specifications
  • Chirp I/O
• Parallel Applications (Including MPI Applications)
  • How Parallel Jobs Run
  • Parallel Jobs and the Dedicated Scheduler
  • Submission Examples
  • MPI Applications Within HTCondor’s Vanilla Universe
• DAGMan Applications
  • DAGMan Terminology
  • The DAG Input File: Basic Commands
  • Command Order
  • Node Job Submit File Contents
  • DAG Submission
  • File Paths in DAGs
  • DAG Monitoring and DAG Removal
  • Suspending a Running DAG
  • Advanced Features of DAGMan
  • The Rescue DAG
  • DAG Recovery
  • Visualizing DAGs with dot
  • Capturing the Status of Nodes in a File
  • A Machine-Readable Event History, the jobstate.log File
  • Status Information for the DAG in a ClassAd
  • Utilizing the Power of DAGMan for Large Numbers of Jobs
  • Workflow Metrics
  • DAGMan and Accounting Groups
• Virtual Machine Applications
  • The Submit Description File
  • Checkpoints
  • Disk Images
  • Job Completion in the vm Universe
  • Failures to Launch
• Docker Universe Applications
• Time Scheduling for Job Execution
  • Job Deferral
  • CronTab Scheduling
• Special Environment Considerations
  • AFS
  • NFS
  • HTCondor Daemons That Do Not Run as root
  • Job Leases
• Potential Problems
  • Renaming of argv[0]