Supporting efficient database processing in mapreduce

... further complicated in distributed processing platforms as data and indexing structures may be distributed Indexing in distributed processing platforms should have the following features: To support ... databases have not been tested at larger scales, and unforseen engineering hurdles await CHAPTER INTRODUCTION Processing Power Bottleneck Parallelized Processing Database Tier D...

Ngày tải lên: 09/09/2015, 11:31

... the MapReduce framework It contains the joining process and the column-wise storage in MapReduce framework In addition, we we depict the fundamental single join approaches in MapReduce, including ... reduce phase in the job and is referred to as Pre -processing for Repartition Join in [24] Fragmentreplication join and map-merge join are referred to as map-side joi...

Ngày tải lên: 12/10/2015, 17:34

... AmbientDB: relational query processing in a P2P network In Proceedings of the International Workshop on Databases, Information Systems and Peer-to-Peer Computing (DBISP2P), LNCS 2788, Springer Verlag ... Queries and Query Optimization in Schema-Based P2P- Systems In Proceedings of the International Workshop on Databases, Information Systems and Peer-to-Peer Computing (D...

Ngày tải lên: 19/02/2014, 12:20

... Application of land unit database for land suitability evaluation in Thai Binh Province The main purpose of land use planning is to achieve sustainable development For that purpose, the land system ... classification and limitation factors of land units for each land use type in Thai Binh Land units 108 162 153 106 151 163 120 97 131 … Land suit...

Ngày tải lên: 14/03/2014, 15:20

... for efficient recovery in context of large- scale graph processing systems We explore the characteristics of large- scale graph processing systems, and construct a failure recovery model accordingly ... failure recovery in large- scale graph processing systems, extra efforts are taken in addition to the normal execution of the systems However, our...

Ngày tải lên: 01/10/2015, 17:28

... for efficient recovery in context of large- scale graph processing systems We explore the characteristics of large- scale graph processing systems, and construct a failure recovery model accordingly ... failure recovery in large- scale graph processing systems, extra efforts are taken in addition to the normal execution of the systems However, our...

Ngày tải lên: 05/10/2015, 19:02

... the UDT library: congestion control, data reliability, etc  Compile time option: no performance drop for the original UDT udt.sourceforge.net :: UDT with Configurable Congestion Control (CCC)  ... Keep improving  More built -in congestion control package  More configuration abilities (e.g., data reliability and timeliness) udt.sourceforge.net 22 The End Thank You! For Mo...

Ngày tải lên: 15/01/2014, 15:59

... John Wiley & Sons, Inc., Publication High-Performance Parallel Database Processing and Grid Databases High-Performance Parallel Database Processing and Grid Databases David Taniar Monash University, ... questions of how parallelism can be performed in parallel database processing High-Performance Parallel Database Processing and Grid Databases, by Dav...

Ngày tải lên: 21/01/2014, 18:20

... between parallel databases and Grid databases 1.10 Investigate your favourite Database Management Systems (DBMS) and outline what kind of parallelism features have been included in their query processing ... processing Therefore, understanding skew modeling is a critical part of understanding parallel database query processing In Section 2.4, basic cost calculation for gen...

Ngày tải lên: 21/01/2014, 18:20

... as a result of the normalization process High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and Sushant Goel Copyright  2008 John Wiley ... favourite parallel DBMS, and show how parallel sort and parallel group-by are expressed in SQL Chapter Parallel Join The join operation is one of the most common oper...

Ngày tải lên: 21/01/2014, 18:20

... particularly for parallel search and parallel join For this purpose, Section 7.7 is included in this chapter, where a full comparison is given High-Performance Parallel Database Processing and Grid Databases, ... involve only one aggregate function and a single join High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung...

Ngày tải lên: 21/01/2014, 18:20

... spread, but spread not random randomly randomly not random randomly randomly not random randomly Figure 7.26 A comparative table for parallel multi-index selection query processing using a one-index ... Standard database textbooks, like Elmasri and Navathe (2007) and Ramakrishnan and Gehrke (2000) cover basic indexing structures (e.g., BC trees) for database systems Indexing for...

Ngày tải lên: 21/01/2014, 18:20

... Chapter Parallel Query Scheduling and Optimization processing node P5 processing node R4 P3 processing node processing node processing node P2 P4 processing node R2 R3 processing node P1 processing ... stands for restriction and ð p for join operation processing node P2 processing node processing node P1 P5 processing node R4 P3 R1 processing node processing...

Ngày tải lên: 21/01/2014, 18:20

... differences between distributed databases and multidatabase systems 10.3 Discuss the suitability of parallel databases, distributed databases, and multidatabase systems in the Grids 10.4 Describe the ... distinguished The same database site may act as an originator for some transactions, and at the same time it may act as a participant High-Performance Parallel Database Proce...

Ngày tải lên: 21/01/2014, 18:20

... given High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and Sushant Goel Copyright  2008 John Wiley & Sons, Inc 341 342 Chapter 12 Grid ... synchronization has not been well addressed The High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and...

Ngày tải lên: 21/01/2014, 18:20