[Solved] Given this subscription config snippet:{ "dead_letter_policy": { "dead_letter_topic": "projects/myproj/topics/dlt", "max_delivery_attempts": 5 } }What happens when a message fails delivery 6 times? | GCP

GCP - Cloud Pub/Sub

Given this subscription config snippet:

{
  "dead_letter_policy": {
    "dead_letter_topic": "projects/myproj/topics/dlt",
    "max_delivery_attempts": 5
  }
}

What happens when a message fails delivery 6 times?

AThe message is retried indefinitely

BThe message is sent to the dead letter topic

CThe message is deleted immediately

DThe message is sent back to the main topic

Step-by-Step Solution

Solution:

Step 1: Understand max_delivery_attempts meaning
Messages are retried up to the max_delivery_attempts count before moving to dead letter topic.
Step 2: Apply max_delivery_attempts = 5
After 5 failed attempts, the 6th failure triggers sending the message to the dead letter topic.
Final Answer:
The message is sent to the dead letter topic -> Option B
Quick Check:
Failures > max_delivery_attempts = dead letter send [OK]

Quick Trick: Messages move to dead letter after max attempts exceeded [OK]

Common Mistakes:

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