GCP - Cloud Pub/Sub
Despite enabling message ordering in Pub/Sub, messages with the same ordering key sometimes arrive out of order. What is a common cause?
Despite enabling message ordering in Pub/Sub, messages with the same ordering key sometimes arrive out of order. What is a common cause?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand ordering failure causes
Pub/Sub requires the publisher to handle publish failures and resume ordering to maintain order.Step 2: Analyze options
The publisher did not handle publish failures and resume ordering correctly correctly identifies that not handling failures breaks ordering guarantees. Options B, C, and D do not cause ordering issues.Final Answer:
The publisher did not handle publish failures and resume ordering correctly -> Option CQuick Check:
Publish failure handling is critical [OK]
Quick Trick: Handle publish failures to maintain order [OK]
Common Mistakes:
- Blaming subscriber concurrency for ordering issues
- Ignoring the need to resume publishing after failure
- Assuming invalid characters break ordering
Master "Cloud Pub/Sub" in GCP
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore GCP Quizzes