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Home/Questions/Cloud/Tools/Describe how to set up retries and timeout for tasks in Cloud Composer.

Describe how to set up retries and timeout for tasks in Cloud Composer.

Cloud/Toolseasy0.3 min readPremium

Architectural logic: Retries handle transient failures; timeouts prevent hung tasks from blocking DAGs. Configuration: default_args or per-task: retries, retry_delay, retry_exponential_backoff, execution_timeout. Example: retries=3, retry_delay=timedelta(minutes=2),...

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Frequency
Low
Asked at 1 company
Category
179
questions in Cloud/Tools
Difficulty Split
104E|27M|48H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Aarete

Why This Question Matters

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Expert Answer
67 words

Architectural logic: Retries handle transient failures; timeouts prevent hung tasks from blocking DAGs. Configuration: default_args or per-task: retries, retry_delay, retry_exponential_backoff, execution_timeout. Example: retries=3, retry_delay=timedelta(minutes=2), retry_exponential_backoff=True, execution_timeout=timedelta(minutes=45). Why exponential backoff: Reduces thundering herd on downstream services. Scalability: Too many retries on large DAGs can delay subsequent runs. Cost: Failed tasks still consume worker time. Best practice: Use exponential backoff; set timeouts; on_failure_callback for alerts; trigger_rule for downstream behavior.

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According to DataEngPrep.tech, this is one of the most frequently asked Cloud/Tools interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.

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