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Lecture 17: Distributed Transactions Lecture 17: Distributed Transactions

Lecture 17: Distributed Transactions - PowerPoint Presentation

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Uploaded On 2018-03-16

Lecture 17: Distributed Transactions - PPT Presentation

1182017 Recap Parallel Query Processing Three main ways to parallelize 1 Run multiple queries each on a different thread 2 Run operators in different threads pipeline 3 Partition data process each partition in a different processor ID: 652917

merge processor tables split processor merge split tables repartitioning partitioned join sum node filter count data table repartition aggregates hash combine replication

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