Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.
Mail Us[email protected]
Menu
Databricks Discussions
exam questions

Exam Certified Data Engineer Professional All Questions

View all questions & answers for the Certified Data Engineer Professional exam
Go to Exam

Exam Certified Data Engineer Professional topic 1 question 24 discussion

Actual exam question from Databricks's Certified Data Engineer Professional
Question #: 24
Topic #: 1
[All Certified Data Engineer Professional Questions]

Which configuration parameter directly affects the size of a spark-partition upon ingestion of data into Spark?

  • A. spark.sql.files.maxPartitionBytes
  • B. spark.sql.autoBroadcastJoinThreshold
  • C. spark.sql.files.openCostInBytes
  • D. spark.sql.adaptive.coalescePartitions.minPartitionNum
  • E. spark.sql.adaptive.advisoryPartitionSizeInBytes
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by 8605246 at Aug. 6, 2023, 10:50 a.m.

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
Submit Cancel
Jay_98_11
10 months, 2 weeks ago
Selected Answer: A
correct
upvoted 3 times
...
sturcu
1 year, 1 month ago
Selected Answer: A
from the provided list, this fits best. In reality partition size/number can be influenced my many settings
upvoted 1 times
...
8605246
1 year, 3 months ago
correct; The maximum number of bytes to pack into a single partition when reading files. This configuration is effective only when using file-based sources such as Parquet, JSON and ORC. https://spark.apache.org/docs/latest/sql-performance-tuning.html
upvoted 2 times
...

Get IT Certification

Unlock free, top-quality video courses on ExamTopics with a simple registration. Elevate your learning journey with our expertly curated content. Register now to access a diverse range of educational resources designed for your success. Start learning today with ExamTopics!

Start Learning for free
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel