Details
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Improvement
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Status: Closed
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Minor
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Resolution: Later
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None
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None
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None
Description
This includes couple of sub tasks for Join Optimization in Spark-SQL
Attachments
Issue Links
- incorporates
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SPARK-7165 Sort-merge Join for left/right outer joins
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- Resolved
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- is related to
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SPARK-5791 [Spark SQL] show poor performance when multiple table do join operation
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- Closed
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- relates to
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- Closed
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1.
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Hash Outer Joins |
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Resolved | Cheng Hao |
2.
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Sort Merge Join |
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Resolved | Adrian Wang |
3.
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Broadcast Join (aka map join) |
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Closed | Unassigned |
4.
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Multi-way join |
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Closed | Unassigned |
5.
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Cost-based join reordering |
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Closed | Unassigned |
6.
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Add broadcast hash join operator |
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Resolved | Zongheng Yang |
7.
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Bucket Join |
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Closed | Wenchen Fan |