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Posted to issues@spark.apache.org by "Xingchao, Zhang (Jira)" <ji...@apache.org> on 2022/10/21 09:54:00 UTC
[jira] [Created] (SPARK-40868) Avoid introducing too many partitions when bucketed scan disabled by sql planner
Xingchao, Zhang created SPARK-40868:
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Summary: Avoid introducing too many partitions when bucketed scan disabled by sql planner
Key: SPARK-40868
URL: https://issues.apache.org/jira/browse/SPARK-40868
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.4.0
Reporter: Xingchao, Zhang
For bucket tables with huge size, lots of partitions maybe generated if bucketed scan disabled by sql planner. We can add one limit(default as BUCKETING_MAX_BUCKETS) to reduce the partitions for non-bucketed scan to avoid too many tasks introduced in single stage.
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