Cost-Based Optimization of Integration Flows - Datenbanken ...

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Bibliography [ZRH04] Yali Zhu, Elke A. Rundensteiner, and George T. Heineman. Dynamic Plan Migration for Continuous Queries Over Data Streams. In SIGMOD Conference, pages 431–442, 2004. 218
List of Figures 1.1 Overview of the Structure of this Thesis . . . . . . . . . . . . . . . . . . . . 4 2.1 Classification of Integration Approaches . . . . . . . . . . . . . . . . . . . . 6 2.2 Reference System Architecture for Integration Flows . . . . . . . . . . . . . 8 2.3 Classification of Modeling Approaches for Integration Flows . . . . . . . . . 9 2.4 Integration Flow Modeling with Directed Graphs and Hierarchies of Sequences 10 2.5 Integration Flow Modeling with Directed Graphs . . . . . . . . . . . . . . . 11 2.6 Classification of Execution Approaches for Integration Flows . . . . . . . . 15 2.7 Classification of Adaptive Query Processing . . . . . . . . . . . . . . . . . . 19 2.8 Use Cases of the Example Scenario w.r.t. the Information System Pyramid 27 2.9 Example Horizontal Integration Flows . . . . . . . . . . . . . . . . . . . . . 28 2.10 Example Integration Flow – Plan P 4 . . . . . . . . . . . . . . . . . . . . . . 29 2.11 Example Vertical Integration Flows . . . . . . . . . . . . . . . . . . . . . . . 31 3.1 Extended Reference System Architecture . . . . . . . . . . . . . . . . . . . . 35 3.2 Example Dependency Graph and its Application . . . . . . . . . . . . . . . 38 3.3 General Model of Operator Execution Statistics . . . . . . . . . . . . . . . . 39 3.4 Plan Cost Estimation Example . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.5 Temporal Aspects of the P-PPO . . . . . . . . . . . . . . . . . . . . . . . . 46 3.6 Example Execution Scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.7 Example Execution of the Optimization Algorithm . . . . . . . . . . . . . . 50 3.8 Example Critical Path Optimization . . . . . . . . . . . . . . . . . . . . . . 51 3.9 Join Enumeration Example Plans . . . . . . . . . . . . . . . . . . . . . . . . 53 3.10 Heuristic Join Reordering Example . . . . . . . . . . . . . . . . . . . . . . . 54 3.11 Cost-Based Optimization Techniques . . . . . . . . . . . . . . . . . . . . . . 60 3.12 Example Rescheduling Parallel Flows . . . . . . . . . . . . . . . . . . . . . . 61 3.13 Example Rewriting Sequences to Parallel Flows . . . . . . . . . . . . . . . . 63 3.14 Example Merging Parallel Flows . . . . . . . . . . . . . . . . . . . . . . . . 65 3.15 Example Reordering and Merging of Switch Paths . . . . . . . . . . . . . . 67 3.16 Example Control-Flow-Aware Selection Reordering . . . . . . . . . . . . . . 68 3.17 Example Eager Group-By Application . . . . . . . . . . . . . . . . . . . . . 70 3.18 Example Setoperation Type Selection . . . . . . . . . . . . . . . . . . . . . 72 3.19 Example Setoperation Cost Comparison . . . . . . . . . . . . . . . . . . . . 72 3.20 Comparison Scenario Periodical Re-Optimization . . . . . . . . . . . . . . . 75 3.21 Influence of Optimization Interval ∆t . . . . . . . . . . . . . . . . . . . . . . 76 3.22 Use Case Comparison of Periodical Re-Optimization . . . . . . . . . . . . . 77 3.23 Speedup of Rewriting Sequences to Parallel Flows . . . . . . . . . . . . . . 78 3.24 Use Case Scalability Comparison of Periodical Re-Optimization . . . . . . . 80 3.25 Optimization Overhead of Join Enumeration . . . . . . . . . . . . . . . . . 81 3.26 Cumulative Statistic Maintenance Overhead . . . . . . . . . . . . . . . . . . 81 219
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Cost-Based Optimization of Integrat
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of traditional data management syst
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Contents 1 Introduction 1 2 Prelimi
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Contents 6.5 Experimental Evaluatio
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1 Introduction for integration flow
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1 Introduction violated. We present
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2 Preliminaries and Existing Techni
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3 Fundamentals of Optimizing Integr
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4 Vectorizing Integration Flows •
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4 Vectorizing Integration Flows Inv
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4 Vectorizing Integration Flows (a)
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4 Vectorizing Integration Flows 2.
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4 Vectorizing Integration Flows 4.3
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4 Vectorizing Integration Flows P
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4 Vectorizing Integration Flows We
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4 Vectorizing Integration Flows 4.7
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5 Multi-Flow Optimization cannot be
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5 Multi-Flow Optimization the query
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5 Multi-Flow Optimization The incom
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5 Multi-Flow Optimization example p
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5 Multi-Flow Optimization not allow
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5 Multi-Flow Optimization partition
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5 Multi-Flow Optimization mention i
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5 Multi-Flow Optimization • Case
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5 Multi-Flow Optimization k ′ . F
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5 Multi-Flow Optimization partition
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5 Multi-Flow Optimization the waiti
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5 Multi-Flow Optimization Execution
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5 Multi-Flow Optimization Thus, for
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5 Multi-Flow Optimization Thus, T L
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5 Multi-Flow Optimization • P 5 :
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5 Multi-Flow Optimization decreasin
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5 Multi-Flow Optimization (a) Fixed
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5 Multi-Flow Optimization reached,
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5 Multi-Flow Optimization (2) plan
Page 178 and 179: 6 On-Demand Re-Optimization categor
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Page 208 and 209: 6 On-Demand Re-Optimization 6.6 Sum
Page 210 and 211: 7 Conclusions Existing approaches b
Page 212 and 213: Bibliography [BBD05a] Shivnath Babu
Page 214 and 215: Bibliography [BHP + 09b] [BHP + 11]
Page 216 and 217: Bibliography [CM95] Sophie Cluet an
Page 218 and 219: Bibliography [GZ08] [HA03] [Haa07]
Page 220 and 221: Bibliography [IKNG09] [INSS92] [Ioa
Page 222 and 223: Bibliography [LX09] [LZ05] Rubao Le
Page 224 and 225: Bibliography [OMG07] OMG. XML Metad
Page 226 and 227: Bibliography [Sto02] Michael Stoneb
Page 230 and 231: List of Figures 3.27 Workload Adapt
Page 233: List of Tables 2.1 Interaction-Orie
Page 237: Selbstständigkeitserklärung Hierm
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