You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@spark.apache.org by "John Smith (Jira)" <ji...@apache.org> on 2025/05/15 12:32:00 UTC
[jira] [Updated] (SPARK-52160) Dynamic pruning not being used with broadcast hash join
[ https://issues.apache.org/jira/browse/SPARK-52160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Smith updated SPARK-52160:
-------------------------------
Description:
We have a hive partitioned dataset, partitioned on year, month, day. When doing a broadcast hash join with that table, with the partition keys as the join keys, dynamic partition pruning is not being used. It's reading all partitions. The query would be a lot faster with DPP.
When filtering on year, month, and day (no join), Spark does read only the partitions that match the filter.
Code: https://community.palantir.com/t/dynamic-partition-pruning-of-hive-partitioned-datasets-with-a-broadcast-join/3545
was:
We have a hive partitioned dataset, partitioned on year, month, day. When doing a broadcast hash join with that table, with the partition keys as the join keys, dynamic partition pruning is not being used. It's reading all partitions. The query would be a lot faster with DPP.
When filtering on year, month, and day (no join), Spark does read only the partitions that match the filter.
> Dynamic pruning not being used with broadcast hash join
> -------------------------------------------------------
>
> Key: SPARK-52160
> URL: https://issues.apache.org/jira/browse/SPARK-52160
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.5.5
> Reporter: John Smith
> Priority: Major
>
> We have a hive partitioned dataset, partitioned on year, month, day. When doing a broadcast hash join with that table, with the partition keys as the join keys, dynamic partition pruning is not being used. It's reading all partitions. The query would be a lot faster with DPP.
>
> When filtering on year, month, and day (no join), Spark does read only the partitions that match the filter.
>
> Code: https://community.palantir.com/t/dynamic-partition-pruning-of-hive-partitioned-datasets-with-a-broadcast-join/3545
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org