Running Workflows

• Start, Restart, Reload
  • Start and Stop vs Initial and Final Cycle Points
  • Restarts and the Initial, Final, Start and Stop Cycle Points
  • Reloading the Workflow Configuration at Runtime
  • Restarting or Reloading after Graph Changes
  • Remote Initialization
  • Files created at workflow start
• Tasks in the GUI/Tui
  • Task & Job States
  • Task Modifiers
  • The “n” Window
• Retrying Tasks
  • Aborting a Retry Sequence
• Tracking Job Status
  • TCP Task Messaging
  • SSH Task Communication
  • Polling to Track Job Status
• Workflow Completion
• Scheduler Stall
• Concurrent Flows
  • Flow Numbers
  • Triggering & Flows
  • Flow Merging in n=0
  • Stopping Flows
  • Some Use Cases
  • Example: Rerun a Sub-Graph
• Simulation Modes
  • Simulated Run Length
  • Simulated Failure
  • Limitations
• Workflow Logs
  • Log Files
  • The Scheduler Log File
• Cylc Broadcast
• Client-Server Interaction
• Authentication Files
• Workflow Run Databases
• Handling Job Preemption