How can you ensure a Flask Celery Beat periodic task does not overlap if it takes longer than its schedule interval?

hard📝 Conceptual Q9 of 15

Flask - Background Tasks

ARestart the Flask server before each task run.

BUse task locking or a singleton pattern to prevent concurrent runs.

CIncrease the schedule interval to a larger number.

DUse Flask debug mode to handle concurrency.

Step-by-Step Solution

Solution:

Step 1: Understand overlapping tasks problem
If a task runs longer than its interval, it may start again before finishing.
Step 2: Use locking to prevent overlap
Implementing locks or singleton ensures only one instance runs at a time.
Final Answer:
Use task locking or a singleton pattern to prevent concurrent runs. -> Option B
Quick Check:
Locking prevents overlapping periodic tasks [OK]

Quick Trick: Use locks to avoid overlapping periodic tasks [OK]

Common Mistakes:

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