Parallel Aggregation

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Dieses Video gehört zum openHPI-Kurs In-Memory Data Management (2013). Möchten Sie mehr sehen?

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Über dieses Video

<p>In this lecture we explain how to leverage modern multi-core CPUs during the aggregation phase of the query execution. We explain how hashing and grouping can be parallelized.</p>

Zur Übersicht

Week 1
- Welcome to the openHPI Course Archive
- Introduction
- Introduction - Self Test
- New Requirements for Enterprise Computing
- New Requirements for Enterprise Computing - Self Test
- Enterprise Application Characteristics
- Enterprise Application Characteristics - Self Test
- Changes in Hardware
- Changes in Hardware - Self Test
- A Blueprint of SanssouciDB
- A Blueprint of SanssouciDB - Self Test
- Material Week 1
Week 2
- Welcome Week 2
- Dictionary Encoding
- Dictionary Encoding - Self Test
- Compression
- Compression - Self Test
- Data Layout in Main Memory
- Data Layout in Main Memory - Self Test
- Partitioning
- Partitioning - Self Test
- Delete
- Delete - Self Test
- Insert
- Insert - Self Test
- Update
- Update - Self Test
- Tuple Reconstruction
- Tuple Reconstruction - Self Test
- Scan Performance
- Scan Performance - Self Test
- Material Week 2
Week 3
- Select
- Select - Self Test
- Materialization Strategies
- Materialization Strategies - Self Test
- Differential Buffer
- Differential Buffer - Self Test
- Insert-only
- Insert-only - Self Test
- Merge
- Merge - Self Test
- Material Week 3
Week 4
- Parallel Data Processing
- Parallel Data Processing - Self Test
- Indices
- Indicies - Self Test
- Join
- Join - Self Test
- Aggregate Functions
- Aggregate Functions - Self Test
- Parallel Select
- Parallel Select - Self Test
- Material Week 4
Week 5
- Workload Management and Scheduling
- Workload Management and Scheduling - Self Test
- Parallel Join
- Parallel Join - Self Test
- Parallel Aggregation
- Parallel Aggregation - Self Test
- Logging
- Logging - Self Test
- Recovery
- Recovery - Self Test
- On-the-fly Database Reorganization
- On-the-fly Database Reorganization - Self Test
- Material Week 5
Week 6
- Implications On Application Development
- Implications On Application Development - Self Test
- Views
- Views - Self Test
- Bypass Solution
- Bypass Solution - Self Test
- Handling Business Objects
- Handling Business Objects - Self Test
- Excursus 2: Point of Sale Explorer
- Excursus 1: Aggregate Caching
- Material Week 6
Exam
- Course Statistics