Data Conference Databasea Query.Farm index
Speakers

He Zhengjie

Events1
Conferences1
Talks1
Years active2024

Appearances by year

201920202021202220232024202520262027
  • Community Over Code (formerly ApacheCon)

Talks

DateEventConferenceRoleTitleLinks
Jul 26, 2024Community Over Code Asia 2024Community Over Code (formerly ApacheCon)speakerFile Runtime Statistics for Spark Optimization
In this demonstration, we will explore the application of statistics based on parquet files in the SparkSQL optimizer, focusing on the implementation of…Show less

In this demonstration, we will explore the application of statistics based on parquet files in the SparkSQL optimizer, focusing on the implementation of cost-based optimizations using these statistics. We will discuss the challenges in the Query optimization and how to collect statistics in a low cost way.

Video

Frequent co-speakers

No one else spoke at two or more of the same events.

Speakers with the same name are merged into one entry, so this page may combine more than one person. Affiliations are shown as each conference listed them.