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Question 80 - ARA-C01 discussion

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A company's daily Snowflake workload consists of a huge number of concurrent queries triggered between 9pm and 11pm. At the individual level, these queries are smaller statements that get completed within a short time period.

What configuration can the company's Architect implement to enhance the performance of this workload? (Choose two.)

A.
Enable a multi-clustered virtual warehouse in maximized mode during the workload duration.
Answers
A.
Enable a multi-clustered virtual warehouse in maximized mode during the workload duration.
B.
Set the MAX_CONCURRENCY_LEVEL to a higher value than its default value of 8 at the virtual warehouse level.
Answers
B.
Set the MAX_CONCURRENCY_LEVEL to a higher value than its default value of 8 at the virtual warehouse level.
C.
Increase the size of the virtual warehouse to size X-Large.
Answers
C.
Increase the size of the virtual warehouse to size X-Large.
D.
Reduce the amount of data that is being processed through this workload.
Answers
D.
Reduce the amount of data that is being processed through this workload.
E.
Set the connection timeout to a higher value than its default.
Answers
E.
Set the connection timeout to a higher value than its default.
Suggested answer: A, B

Explanation:

These two configuration options can enhance the performance of the workload that consists of a huge number of concurrent queries that are smaller and faster.

Enabling a multi-clustered virtual warehouse in maximized mode allows the warehouse to scale out automatically by adding more clusters as soon as the current cluster is fully loaded, regardless of the number of queries in the queue. This can improve the concurrency and throughput of the workload by minimizing or preventing queuing.The maximized mode is suitable for workloads that require high performance and low latency, and are less sensitive to credit consumption1.

Setting the MAX_CONCURRENCY_LEVEL to a higher value than its default value of 8 at the virtual warehouse level allows the warehouse to run more queries concurrently on each cluster. This can improve the utilization and efficiency of the warehouse resources, especially for smaller and faster queries that do not require a lot of processing power.The MAX_CONCURRENCY_LEVEL parameter can be set when creating or modifying a warehouse, and it can be changed at any time2.

Snowflake Documentation: Scaling Policy for Multi-cluster Warehouses

Snowflake Documentation: MAX_CONCURRENCY_LEVEL

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asked 23/09/2024
Thijs van Ham
36 questions
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