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Spark Streaming
Data Engineer
Spark Streaming questions
15 questions on Spark Streaming for data engineers, easiest first.
Easy
1
How Spark Structured Streaming runs
easy
Medium
7
Restarting a Spark stream
medium
Spark output modes
medium
Structured Streaming output modes
medium
Upserting a stream into a table
medium
Running a stream as a daily job
medium
First micro-batch is enormous
medium
A batch longer than its trigger
medium
Hard
7
Which window Spark has emitted
hard
Duplicate rows from foreachBatch
hard
startingOffsets changed but ignored
hard
Stream-stream join running out of memory
hard
Windowed counts arrive late
hard
Changing a streaming aggregation key
hard
Half-written files in a stream output
hard
