migration-guide

Topic Replies Views Activity
Are there any guidelines when to use flow vs task decorator? Which part of my workflow should be defined at a task, subflow vs. flow-level?
Workflow Orchestration
migration-guide ,  prefect-2-0 ,  dag-flow-structure ,  subflows ,  getting-started ,  task-decorator ,  best-practices ,  flow-decorator
0 138 March 17, 2022
How can I adjust log settings such as the default log level or logging format?
Deployments & DevOps
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  logging
0 72 January 31, 2022
How to get started with Prefect Cloud 2.0
Getting Started
migration-guide ,  prefect-2-0 ,  cloud-1-0 ,  workspace ,  getting-started ,  api-key ,  cloud-2-0 ,  list-of-resources
0 231 March 30, 2022
Postgres tasks as part of collections
Integrations
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  postgres
4 93 June 3, 2022
How can I run multiple subflows (or child flows) in parallel?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  flow-of-flows ,  parallel-processing ,  create_flow_run ,  orchestrator-pattern ,  subflows ,  async ,  mapping ,  local-dask-executor
3 192 May 31, 2022
Does Prefect 2.0 support filters and adjustments e.g. to restrict the schedule to only run during business hours?
Workflow Orchestration
migration-guide ,  prefect-2-0 ,  local-development ,  scheduling ,  interval-schedule ,  cron ,  unit-testing ,  rrule
0 72 April 29, 2022
How can I map over a list of inputs?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  dask ,  parallel-processing ,  dask-task-runner ,  mapping ,  local-dask-executor ,  getting-started ,  to-review
5 139 May 16, 2022
How can I create a subflow?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  flow-of-flows ,  create_flow_run ,  orchestrator-pattern ,  subflows ,  getting-started
0 218 January 27, 2022
How can I impose concurrency limits for flow and task runs?
Workflow Orchestration
organizational ,  migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  cloud-1-0 ,  concurrency-limits ,  to-review
0 117 January 27, 2022
Is there an official planned release date for Prefect 2.0 to come out of Beta status?
FAQ
migration-guide ,  prefect-2-0 ,  getting-started
0 85 May 2, 2022
How can I run tasks in parallel?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  dask ,  executor ,  task-runner ,  parallel-processing ,  dask-task-runner ,  infrastructure ,  multithreading ,  multiprocessing ,  basics
0 110 January 31, 2022
How to migrate Prefect 1.0 task library tasks to a Prefect Collection repository in Prefect 2.0?
Integrations
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  task-library ,  user-contribution ,  prefect-collections
0 63 April 22, 2022
How can I create a subflow and block until it’s completed?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  flow-of-flows ,  create_flow_run ,  orchestrator-pattern ,  subflows ,  wait_for_flow_run ,  to-review ,  start_flow_run
0 237 January 28, 2022
How can I define state dependencies between tasks?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  dag-flow-structure ,  state-dependencies ,  getting-started ,  task-decorator ,  wait_for ,  upstream_tasks ,  basics
1 145 April 11, 2022
How can I parallelize execution across 8 CPU cores?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  dask ,  executor ,  task-runner ,  parallel-processing ,  dask-task-runner ,  local-dask-executor ,  infrastructure ,  multithreading ,  multiprocessing
0 133 January 31, 2022
How to use work queues and agents in Prefect 2.0? I'm switching from Prefect 1.0 and wonder how agents differ between 1.0 and 2.0
Workflow Orchestration
migration-guide ,  prefect-2-0 ,  agent ,  work-queue ,  work-queue-agent-relationship
0 83 April 5, 2022
How can I send automated failure notifications? Is there a way to get a full exception traceback in a failure notification?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  automations ,  state_handlers ,  exception-handling ,  notifications ,  failure ,  getting-started ,  to-review ,  failure-notification
0 166 January 31, 2022
Can I define my tasks as classes rather than functions?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  dag-flow-structure ,  imperative-api ,  getting-started
4 218 March 12, 2022
How can I globally disable sending logs to the backend API?
Deployments & DevOps
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  logging ,  cloud-1-0 ,  backend ,  config-toml ,  environment-variable ,  profiles-prefect-config
0 73 January 31, 2022
How can I start a local flow run?
Getting Started
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  local-development ,  getting-started
0 105 January 24, 2022
How can I stop a flow run execution based on a condition?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  conditional-logic ,  control-flow ,  signals ,  exception-handling ,  context-manager ,  failure ,  triggers ,  cancellation
0 136 January 31, 2022
How can I stop the task run based on a custom logic?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  conditional-logic ,  control-flow ,  signals ,  exception-handling ,  failure ,  triggers ,  cancellation ,  to-review
0 156 January 27, 2022
How can I determine whether a flow run has been executed ad-hoc or was running on schedule?
Workflow Orchestration
organizational ,  migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  backend ,  context ,  scheduling ,  set_schedule_inactive ,  set_schedule_active ,  to-review ,  auto_scheduled
0 79 January 31, 2022
How can I run my flow in a Docker container with a custom image?
Deployments & DevOps
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  storage ,  deployment ,  flow-runner ,  run_config ,  docker ,  getting-started ,  docker-flow-runner ,  docker-run ,  docker-image
0 125 January 31, 2022
Can I define the logger globally?
Deployments & DevOps
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  logging
0 88 January 31, 2022
How to ensure that my tasks immediately fail if a specific upstream task failed?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  states ,  state-dependencies ,  exception-handling ,  failure ,  triggers ,  getting-started ,  task-decorator
0 88 January 31, 2022
Can my subflow use a different task runner than my parent flow?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  flow-of-flows ,  executor ,  task-runner ,  create_flow_run ,  orchestrator-pattern ,  subflows ,  wait_for_flow_run
0 100 January 31, 2022
How can I configure a specific Dask cluster class?
Distributed Computing
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  aws ,  dask ,  executor ,  task-runner ,  parallel-processing ,  fargate ,  dask-task-runner ,  dask-cloud-provider ,  docker-image
0 91 January 21, 2022
How to clean up resources used in a flow?
Workflow Orchestration
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  resource-manager ,  context-manager ,  resource-clean-up
0 120 January 27, 2022
How can I inspect the flow run states locally?
Getting Started
migration-guide ,  prefect-1-0 ,  prefect-2-0 ,  local-development ,  getting-started
0 85 January 27, 2022