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Databricks Certified Data Engineer Associate Exam - Topic 1 Question 2 Discussion

In order for Structured Streaming to reliably track the exact progress of the processing so that it can handle any kind of failure by restarting and/or reprocessing, which of the following two approaches is used by Spark to record the offset range of the data being processed in each trigger?
E) Checkpointing and Idempotent Sinks
A) Checkpointing and Write-ahead Logs
B) Structured Streaming cannot record the offset range of the data being processed in each trigger.
C) Replayable Sources and Idempotent Sinks
D) Write-ahead Logs and Idempotent Sinks

Databricks Certified Data Engineer Associate Exam - Topic 1 Question 2 Discussion

Actual exam question for Databricks's Databricks Certified Data Engineer Associate exam
Question #: 2
Topic #: 1
[All Databricks Certified Data Engineer Associate Questions]

In order for Structured Streaming to reliably track the exact progress of the processing so that it can handle any kind of failure by restarting and/or reprocessing, which of the following two approaches is used by Spark to record the offset range of the data being processed in each trigger?

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Suggested Answer: E

by Cristal at Apr 03, 2023, 08:37 AM

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Edelmira
8 months ago
I didn’t know about Write-ahead Logs before, that’s cool!
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Zita
8 months ago
A seems correct, but D is interesting too.
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Katina
9 months ago
Wait, are you sure? I thought it was C.
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Rodolfo
9 months ago
I agree, A is the right choice!
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Joye
9 months ago
It's definitely A - Checkpointing and Write-ahead Logs!
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Judy
9 months ago
I feel like replayable sources were mentioned in our notes, but I can't recall if they were part of the answer options we practiced.
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Marti
9 months ago
I'm a bit confused about the role of idempotent sinks here. Do they really help with tracking offsets?
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Ivory
9 months ago
I think the answer might be A, since we practiced a similar question about fault tolerance in Structured Streaming.
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Quinn
9 months ago
I remember we discussed checkpointing in class, but I'm not entirely sure how it relates to write-ahead logs.
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Nydia
9 months ago
Option C about enabling termination protection doesn't seem relevant here. We want to delete the stack, just not the DynamoDB table. I'm leaning towards A or D as the best approaches.
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Avery
9 months ago
This seems like a straightforward question about the benefits of mentoring. I'll focus on understanding the key aspects of mentoring and how they relate to the answer choices.
upvoted 0 times
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