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GAMMA - A High Performance Dataflow Database Machine

Summary: Gamma, a high-performance dataflow database machine. A 20-node VAX 11/750 prototype demonstrates parallel dataflow query processing with hashing-based algorithms and pipelined inter-process data to minimize control overhead. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
h9209a81b627172bc
Venue
VLDB
Year
1986
Pagerank
0.00040385073
Overall Rank
55 | 99.64%
DOI
-

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{dewitt_vldb86,
        title = {{GAMMA - A High Performance Dataflow Database Machine}},
        author = {DeWitt, David J. and Graefe, Goetz and Kumar, Krishna B. and Gerber, Robert H. and Heytens, Michael L. and Muralikrishna, M.},
        journal = {PVLDB},
        series = {{VLDB} '86},
        volume = {12},
        pages = {228--237},
        year = {1986}
}

Incoming Citations (Sorted by Pagerank)

Showing 50 of 52 citing papers.

Rank Citing Paper Year Venue Pagerank
43 A Comparison of Approaches to Large-Scale Data Analysis 2009 SIGMOD 0.00045453255
76 Map-Reduce-Merge: Simplified Relational Data Processing on Large Clusters 2007 SIGMOD 0.00036932687
80 H-Store: A High-Performance, Distributed Main Memory Transaction Processing System 2008 VLDB 0.00036267455
93 Encapsulation of Parallelism in the Volcano Query Processing System 1990 SIGMOD 0.00034518001
106 Quickly Generating Billion-Record Synthetic Databases 1994 SIGMOD 0.00033563032
118 The EXODUS Optimizer Generator 1987 SIGMOD 0.00031320165
120 HadoopDB: An Architectural Hybrid of MapReduce and DBMS Technologies for Analytical Workloads 2009 VLDB 0.00031017868
194 Data Placement In Bubba 1988 SIGMOD 0.00025627096
249 A Performance Evaluation of Four Parallel Join Algorithms in a Shared-Nothing Multiprocessor Environment 1989 SIGMOD 0.00023099455
250 Multi-Core, Main-Memory Joins: Sort vs. Hash Revisited 2014 VLDB 0.00023080446
491 Practical Skew Handling in Parallel Joins 1992 VLDB 0.00017383221
500 The Design of XPRS 1988 VLDB 0.0001724009
659 An Overview of The System Software of A Parallel Relational Database Machine GRACE 1986 VLDB 0.00015027863
885 Rack-Scale In-Memory Join Processing using RDMA 2015 SIGMOD 0.00013222753
888 Requirements for Science Data Bases and SciDB 2009 CIDR 0.00013213294
921 Tradeoffs in Processing Complex Join Queries via Hashing in Multiprocessor Database Machines 1990 VLDB 0.00013036878
1,040 Jaql: A Scripting Language for Large Scale Semistructured Data Analysis 2011 VLDB 0.00012336829
1,215 Bucket Spreading Parallel Hash: A New, Robust, Parallel Hash Join Method for Data Skew in the Super Database Computer (SDC) 1990 VLDB 0.0001147464
1,291 Hybrid-Range Partitioning Strategy: A New Declustering Strategy for Multiprocessor Database Machines 1990 VLDB 0.00011147286
1,419 A Demonstration of SciDB: A Science-Oriented DBMS 2009 VLDB 0.00010704914
1,477 Online Balancing of Range-Partitioned Data with Applications to Peer-to-Peer Systems 2004 VLDB 0.00010520204
2,240 Spinning Fast Iterative Data Flows 2012 VLDB 8.7716808e-05
2,299 A Platform for Scalable One-Pass Analytics using MapReduce 2011 SIGMOD 8.6639611e-05
2,377 Efficient Assembly of Complex Objects 1991 SIGMOD 8.5327717e-05
2,400 Parallel R-trees 1992 SIGMOD 8.5059093e-05
2,421 epiC: an Extensible and Scalable System for Processing Big Data 2014 VLDB 8.4793059e-05
2,629 Process And Dataflow Control In Distributed Data-Intensive Systems 1988 SIGMOD 8.1855949e-05
2,704 Executing Stream Joins on the Cell Processor 2007 VLDB 8.0950719e-05
2,801 Managing Persistent Objects in a Multi-Level Store 1991 SIGMOD 7.9777181e-05
2,874 Optimization and Dataflow Algorithms for Nested Tree Queries 1989 VLDB 7.898744e-05
2,990 Clustera: An Integrated Computation And Data Management System 2008 VLDB 7.7609997e-05
3,072 Design and Evaluation of Parallel Pipelined Join Algorithms 1987 SIGMOD 7.6662888e-05
3,480 Declustering Using Error Correcting Codes 1989 PODS 7.2472459e-05
3,683 FastSort: A Distributed Single-Input Single-Output External Sort 1990 SIGMOD 7.0836784e-05
3,798 Exploiting Advanced Database Optimization Features for Large-Scale SAP R/3 Installations 2002 VLDB 6.994136e-05
3,827 An Adaptive Data Placement Scheme for Parallel Database Computer Systems 1990 VLDB 6.9780094e-05
3,977 Estimation of Query-Result Distribution and its Application in Parallel-Join Load Balancing 1996 VLDB 6.8707656e-05
4,775 Performance Analysis of a Load Balancing Hash-Join Algorithm for a Shared Memory Multiprocessor 1991 VLDB 6.4086699e-05
4,841 A Comparison Of High-Availability Media Recovery Techniques 1989 SIGMOD 6.3744932e-05
5,590 Aerospike: Architecture of a Real-Time Operational DBMS 2016 VLDB 6.0559535e-05
5,599 Coloring Away Communication in Parallel Query Optimization 1995 VLDB 6.0535576e-05
6,431 Performance of Data-Parallel Spatial Operations 1994 VLDB 5.7688769e-05
6,976 A Performance Analysis of the Gamma Database Machine 1988 SIGMOD 5.6140776e-05
7,079 CMD: A Multidimensional Declustering Method for Parallel Database Systems 1992 VLDB 5.5904434e-05
7,725 Query Centric Partitioning and Allocation for Partially Replicated Database Systems 2017 SIGMOD 5.4526728e-05
8,641 Citrusleaf: A Real-Time NoSQL DB which Preserves ACID 2011 VLDB 5.282492e-05
8,965 A Parallel Strategy for Transitive Closure using Double Hash-Based Clustering 1990 VLDB 5.2361195e-05
9,553 Optimizing Distributed Protocols with Query Rewrites 2024 SIGMOD 5.1496254e-05
10,351 Out-of-order Execution of Database Queries 2020 VLDB 5.0177035e-05
11,109 Return to the Boston Area After 50+ Years: What can we learn from VLDB 1975? 2026 VLDB 4.9605343e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 9 of 9 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
1 Access Path Selection in a Relational Database Management System 1979 SIGMOD 0.0023948467
7 Implementation Techniques For Main Memory Database Systems 1984 SIGMOD 0.00081781676
46 Benchmarking Database Systems: A Systematic Approach 1983 VLDB 0.00044656322
83 Hashing Methods and Relational Algebra Operations 1984 VLDB 0.00035942723
156 Multiprocessor Hash-Based Join Algorithms 1985 VLDB 0.00028431734
2,209 Parallel Algorithms and Their Implementation in MICRONET 1982 VLDB 8.8454239e-05
2,450 Performance Evaluation of the Statistical Aggregation by Categorization in the SM3 System 1984 SIGMOD 8.4309384e-05
2,921 Overview of the Jasmin Database Machine 1984 SIGMOD 7.8451824e-05
5,695 Recovery Architectures for Multiprocessor Database Machines 1985 SIGMOD 6.0174981e-05
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