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Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2020/09/04 00:02:00 UTC
[jira] [Resolved] (SPARK-32767) Bucket join should work if
spark.sql.shuffle.partitions larger than bucket number
[ https://issues.apache.org/jira/browse/SPARK-32767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yuming Wang resolved SPARK-32767.
---------------------------------
Fix Version/s: 3.0.2
3.1.0
Resolution: Fixed
Issue resolved by pull request 29624
[https://github.com/apache/spark/pull/29624]
> Bucket join should work if spark.sql.shuffle.partitions larger than bucket number
> ---------------------------------------------------------------------------------
>
> Key: SPARK-32767
> URL: https://issues.apache.org/jira/browse/SPARK-32767
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Assignee: Yuming Wang
> Priority: Major
> Fix For: 3.1.0, 3.0.2
>
>
> How to reproduce this issue:
> {code:scala}
> spark.range(1000).write.bucketBy(432, "id").saveAsTable("t1")
> spark.range(1000).write.bucketBy(34, "id").saveAsTable("t2")
> sql("set spark.sql.shuffle.partitions=600")
> sql("set spark.sql.autoBroadcastJoinThreshold=-1")
> sql("select * from t1 join t2 on t1.id = t2.id").explain()
> {code}
> {noformat}
> == Physical Plan ==
> *(5) SortMergeJoin [id#26L], [id#27L], Inner
> :- *(2) Sort [id#26L ASC NULLS FIRST], false, 0
> : +- Exchange hashpartitioning(id#26L, 600), true, [id=#65]
> : +- *(1) Filter isnotnull(id#26L)
> : +- *(1) ColumnarToRow
> : +- FileScan parquet default.t1[id#26L] Batched: true, DataFilters: [isnotnull(id#26L)], Format: Parquet, Location: InMemoryFileIndex[file:/Users/yumwang/spark/SPARK-32444/sql/core/spark-warehouse/org.apache.spark..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:bigint>, SelectedBucketsCount: 432 out of 432
> +- *(4) Sort [id#27L ASC NULLS FIRST], false, 0
> +- Exchange hashpartitioning(id#27L, 600), true, [id=#74]
> +- *(3) Filter isnotnull(id#27L)
> +- *(3) ColumnarToRow
> +- FileScan parquet default.t2[id#27L] Batched: true, DataFilters: [isnotnull(id#27L)], Format: Parquet, Location: InMemoryFileIndex[file:/Users/yumwang/spark/SPARK-32444/sql/core/spark-warehouse/org.apache.spark..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:bigint>, SelectedBucketsCount: 34 out of 34
> {noformat}
> *Expected*:
> {noformat}
> == Physical Plan ==
> *(4) SortMergeJoin [id#26L], [id#27L], Inner
> :- *(1) Sort [id#26L ASC NULLS FIRST], false, 0
> : +- *(1) Filter isnotnull(id#26L)
> : +- *(1) ColumnarToRow
> : +- FileScan parquet default.t1[id#26L] Batched: true, DataFilters: [isnotnull(id#26L)], Format: Parquet, Location: InMemoryFileIndex[file:/Users/yumwang/spark/SPARK-32444/sql/core/spark-warehouse/org.apache.spark..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:bigint>, SelectedBucketsCount: 432 out of 432
> +- *(3) Sort [id#27L ASC NULLS FIRST], false, 0
> +- Exchange hashpartitioning(id#27L, 432), true, [id=#69]
> +- *(2) Filter isnotnull(id#27L)
> +- *(2) ColumnarToRow
> +- FileScan parquet default.t2[id#27L] Batched: true, DataFilters: [isnotnull(id#27L)], Format: Parquet, Location: InMemoryFileIndex[file:/Users/yumwang/spark/SPARK-32444/sql/core/spark-warehouse/org.apache.spark..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:bigint>, SelectedBucketsCount: 34 out of 34
> {noformat}
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