bowenliang123 opened a new pull request, #7932:
URL: https://github.com/apache/iceberg/pull/7932
- Use Reblance instead of Repartition for distribution in Spark 3.2 and 3.3,
to avoid small partitioned files cased with AQE decided partition numbers.
Before:
Having `REPARTITION_BY_NUM` in `+- Exchange hashpartitioning(lab_numr#270,
busi_date#271, 200), REPARTITION_BY_NUM,`
```
+----------------------------------------------------+
| plan |
+----------------------------------------------------+
| == Parsed Logical Plan ==
'InsertIntoStatement 'UnresolvedRelation [gfpersonas_platform,
t_ptr_label_ice_bowen], [], false, false, false
+- 'Project [*]
+- 'UnresolvedRelation [gfpersonas_platform, t_ptr_label_ice], [], false
== Analyzed Logical Plan ==
AppendData RelationV2[obj_id#46, lab_val#47, lab_numr#48, busi_date#49]
spark_catalog.gfpersonas_platform.t_ptr_label_ice_bowen, false
+- Project [obj_id#42, lab_val#43, lab_numr#44, busi_date#45]
+- SubqueryAlias spark_catalog.gfpersonas_platform.t_ptr_label_ice
+- RelationV2[obj_id#42, lab_val#43, lab_numr#44, busi_date#45]
spark_catalog.gfpersonas_platform.t_ptr_label_ice
== Optimized Logical Plan ==
AppendData RelationV2[obj_id#46, lab_val#47, lab_numr#48, busi_date#49]
spark_catalog.gfpersonas_platform.t_ptr_label_ice_bowen, false,
IcebergWrite(table=spark_catalog.gfpersonas_platform.t_ptr_label_ice_bowen,
format=PARQUET)
+- Sort [lab_numr#44 ASC NULLS FIRST, busi_date#45 ASC NULLS FIRST], false
+- RebalancePartitions [lab_numr#44, busi_date#45]
+- RelationV2[obj_id#42, lab_val#43, lab_numr#44, busi_date#45]
spark_catalog.gfpersonas_platform.t_ptr_label_ice
== Physical Plan ==
AppendData
org.apache.spark.sql.execution.datasources.v2.DataSourceV2Strategy$$Lambda$3367/659079940@629fd732,
IcebergWrite(table=spark_catalog.gfpersonas_platform.t_ptr_label_ice_bowen,
format=PARQUET)
+- AdaptiveSparkPlan isFinalPlan=false
+- Sort [lab_numr#44 ASC NULLS FIRST, busi_date#45 ASC NULLS FIRST],
false, 0
+- Exchange hashpartitioning(lab_numr#44, busi_date#45, 200),
REBALANCE_PARTITIONS_BY_COL, [plan_id=49]
+- BatchScan[obj_id#42, lab_val#43, lab_numr#44, busi_date#45]
spark_catalog.gfpersonas_platform.t_ptr_label_ice (branch=null) [filters=,
groupedBy=] RuntimeFilters: []
|
+----------------------------------------------------+
```
After:
Having `REBALANCE_PARTITIONS_BY_COL` in `Exchange
hashpartitioning(lab_numr#44, busi_date#45, 200), REBALANCE_PARTITIONS_BY_COL, `
```
+----------------------------------------------------+
| plan |
+----------------------------------------------------+
| == Parsed Logical Plan ==
'InsertIntoStatement 'UnresolvedRelation [gfpersonas_platform,
t_ptr_label_ice_bowen], [], false, false, false
+- 'Project [*]
+- 'UnresolvedRelation [gfpersonas_platform, t_ptr_label_ice], [], false
== Analyzed Logical Plan ==
AppendData RelationV2[obj_id#46, lab_val#47, lab_numr#48, busi_date#49]
spark_catalog.gfpersonas_platform.t_ptr_label_ice_bowen, false
+- Project [obj_id#42, lab_val#43, lab_numr#44, busi_date#45]
+- SubqueryAlias spark_catalog.gfpersonas_platform.t_ptr_label_ice
+- RelationV2[obj_id#42, lab_val#43, lab_numr#44, busi_date#45]
spark_catalog.gfpersonas_platform.t_ptr_label_ice
== Optimized Logical Plan ==
AppendData RelationV2[obj_id#46, lab_val#47, lab_numr#48, busi_date#49]
spark_catalog.gfpersonas_platform.t_ptr_label_ice_bowen, false,
IcebergWrite(table=spark_catalog.gfpersonas_platform.t_ptr_label_ice_bowen,
format=PARQUET)
+- Sort [lab_numr#44 ASC NULLS FIRST, busi_date#45 ASC NULLS FIRST], false
+- RebalancePartitions [lab_numr#44, busi_date#45]
+- RelationV2[obj_id#42, lab_val#43, lab_numr#44, busi_date#45]
spark_catalog.gfpersonas_platform.t_ptr_label_ice
== Physical Plan ==
AppendData
org.apache.spark.sql.execution.datasources.v2.DataSourceV2Strategy$$Lambda$3367/659079940@629fd732,
IcebergWrite(table=spark_catalog.gfpersonas_platform.t_ptr_label_ice_bowen,
format=PARQUET)
+- AdaptiveSparkPlan isFinalPlan=false
+- Sort [lab_numr#44 ASC NULLS FIRST, busi_date#45 ASC NULLS FIRST],
false, 0
+- Exchange hashpartitioning(lab_numr#44, busi_date#45, 200),
REBALANCE_PARTITIONS_BY_COL, [plan_id=49]
+- BatchScan[obj_id#42, lab_val#43, lab_numr#44, busi_date#45]
spark_catalog.gfpersonas_platform.t_ptr_label_ice (branch=null) [filters=,
groupedBy=] RuntimeFilters: []
|
+----------------------------------------------------+
```
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