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Spark 3.0’s Structured Streaming UI

Genamo Yu, et al, show off the Structured Streaming user interface built into Apache Spark 3.0:

When a developer submits a streaming SQL query, it will be listed in the Structured Streaming tab, which includes both active streaming queries and completed streaming queries. Some basic information for streaming queries will be listed in the result table, including query name, status, ID, run ID, submitted time, query duration, last batch ID as well as the aggregate information, like average input rate and average process rate. There are three types of streaming query status, i.e., RUNNINGFINISHED and FAILED. All FINISHED and FAILED queries are listed in the completed streaming query table. The Error column shows the exception details of a failed query.

Read on to learn more.