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Snowflake Exam COF-C02 Topic 10 Question 49 Discussion

Actual exam question for Snowflake's COF-C02 exam
Question #: 49
Topic #: 10
[All COF-C02 Questions]

Which Query Profile metrics will provide information that can be used to improve query performance? (Select TWO).

Show Suggested Answer Hide Answer
Suggested Answer: B, D

Two key metrics in Snowflake's Query Profile that provide insights for performance improvement are:

Remote Disk IO: This measures the time the query spends waiting on remote disk access, indicating potential performance issues related to I/O bottlenecks.

Pruning: This metric reflects how effectively Snowflake's micro-partition pruning is reducing the data scanned. Better pruning (more partitions excluded) leads to faster query performance, as fewer micro-partitions need to be processed.

These metrics are essential for identifying and addressing inefficiencies in data retrieval and storage access, optimizing overall query performance.


by Francine at Jan 10, 2025, 08:41 PM

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Vivan
2 months ago
B and E, without a doubt. Remote disk IO and Spillage are the dynamic duo of query optimization. Just don't ask me to explain what they actually do - that's what the textbooks are for!
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Jolene
2 months ago
A and D, all the way! Synchronization and Pruning are the secret sauce to unlocking that sweet, sweet query performance. Although, I do hear Remote disk IO is the new craze among the kids these days.
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Ira
2 months ago
Yeah, Remote disk IO seems to be gaining popularity too. It's worth looking into.
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Frederica
2 months ago
I agree, Synchronization and Pruning are key for improving query performance.
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India
2 months ago
C and E, for sure. Local disk IO and Spillage are the bread and butter of any good query optimization strategy. Just don't tell my boss I said that.
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Celestina
2 months ago
I agree, those metrics can really make a difference in optimizing queries.
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Pilar
2 months ago
Local disk IO and Spillage are definitely key metrics for improving query performance.
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Keshia
3 months ago
I'm not sure about Synchronization and Remote disk IO, do they really impact query performance?
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Vernice
3 months ago
I agree with Elina, those metrics are crucial for optimizing queries.
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Elina
3 months ago
I think Local disk IO and Pruning can help improve query performance.
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Shalon
3 months ago
D and E definitely! Pruning and Spillage are key to optimizing query performance. But who doesn't love a good disk IO binge, am I right?
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Arminda
2 months ago
Local disk IO is important too, can't overlook that metric.
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Brittani
2 months ago
Remote disk IO can also play a significant role in improving query performance.
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Lauran
2 months ago
Definitely, Pruning and Spillage are key metrics to focus on.
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Jaime
3 months ago
I agree, D and E are crucial for optimizing query performance.
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