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Provide descriptive names for asyncio.Task#5727

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adhami3310 merged 1 commit into
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masenf/named-tasks
Aug 21, 2025
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Provide descriptive names for asyncio.Task#5727
adhami3310 merged 1 commit into
mainfrom
masenf/named-tasks

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@masenf masenf commented Aug 21, 2025

Reflex internally spawns async tasks for background event processing, emitting websocket data, lifespan, telementry, and resolving async computed vars. Now these tasks all have descriptive names that include the event being processed, the token, and a timestamp of when the task started. This extra information in the task name allows users to better identify where potentially problems in the app are hiding.

Reflex internally spawns async tasks for background event processing, emitting
websocket data, lifespan, telementry, and resolving async computed vars. Now
these tasks all have descriptive names that include the event being processed,
the token, and a timestamp of when the task started. This extra information in
the task name allows users to better identify where potentially problems in the
app are hiding.
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Greptile Summary

This PR systematically adds descriptive names to asyncio.Task instances throughout the Reflex framework to improve debugging and observability. Previously, Reflex created numerous background tasks for various operations (event processing, websocket emissions, state management, lifespan handling, and telemetry) that all had generic task names, making it difficult to identify problematic tasks during debugging.

The changes implement a consistent naming convention across five core files:

  • reflex/app.py: Adds names for background event processing tasks, websocket emit operations, and token disconnect tasks using patterns like reflex_background_task|{event.name}|{time.time()}|{event.token}
  • reflex/state.py: Names tasks created during async computed variable resolution with reflex_resolve_delta|{state_name}|{var_name}|{time.time()}
  • reflex/istate/manager.py: Provides names for state storage operations using reflex_set_state|{client_token}|{substate.get_full_name()}
  • reflex/app_mixins/lifespan.py: Names lifespan tasks with reflex_lifespan_task|{task_name}|{time.time()}
  • reflex/utils/telemetry.py: Names telemetry tasks with reflex_send_telemetry_event|{event}

The naming convention uses pipe-separated components that include the operation type, relevant identifiers (tokens, state names, event names), and timestamps. This structured approach allows developers to easily identify which tasks are running, what they're processing, and when they started, significantly improving the debugging experience for async-related issues in Reflex applications.

Confidence score: 5/5

  • This PR is safe to merge with minimal risk as it only adds descriptive names to existing tasks without changing functionality
  • Score reflects the non-invasive nature of the changes and consistent implementation pattern across multiple files
  • No files require special attention as all changes follow the same safe pattern of adding task names

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codspeed-hq Bot commented Aug 21, 2025

CodSpeed Performance Report

Merging #5727 will not alter performance

Comparing masenf/named-tasks (4495d25) with main (7acc7d9)

Summary

✅ 8 untouched benchmarks

@adhami3310 adhami3310 merged commit 818f722 into main Aug 21, 2025
40 of 41 checks passed
@adhami3310 adhami3310 deleted the masenf/named-tasks branch August 21, 2025 20:03
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2 participants