[KYLIN-4829] Support to use thread-level SparkSession to execute query

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: v4.0.0-beta
• Component/s: Query Engine, Spark Engine
• Assignee: Zhichao Zhang
• Reporter: Zhichao Zhang
• Created: 30/Nov/20 05:46
• Updated: 18/Dec/20 00:50
• Resolved: 18/Dec/20 00:50

Description

Currently, when executing a query, it is impossible to configure proper parameters for each query according to the data will be scanned, such as spark.sql.shuffle.partitions, this will impact the performance of querying.