Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 16 of 16 for “"OLTP"”.
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Recovery algorithms for in-memory OLTP databases
Fine-grained, record-oriented write-ahead logging, as exemplified by systems like ARIES, has been the gold standard for relational database recovery. In this thesis, we show that in modern high-throughput transaction processing systems, this is no longer the optimal way to recover a database …
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Fault-tolerant distributed transactions for partitioned OLTP databases
… for building online transaction processing (OLTP) databases. Databases have traditionally been designed as general purpose data processing tools. By being designed only for OLTP workloads, Dtxn can be more efficient. It is designed to support very large databases by partitioning data across a …
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Elastic database systems
Distributed on-line transaction processing (OLTP) database management systems (DBMSs) are a critical part of the operation of large enterprises. These systems often serve time-varying workloads due to daily, weekly or seasonal fluctuations in load, or because of rapid growth in demand due to a …
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Web services strategy
… specifically the On Line Transaction Processing (OLTP) sector where legacy mainframes interface with multiple tiers of distribution through proprietary EDI links. The OLTP industry operates under stringent regulatory requirements for availability and audit-ability of not only who performed what …
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Developing distributed applications with distributed heterogeneous databases
… Tuxedo is an On-Line Transaction Processing (OLTP) system. Tuxedo was studied because it is the oldest and most widely used transaction processing system on UNIX. That means that it is established, extensively tested, and has the most tools available to extend its capabilities. The …
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A Comparison of Leading Database Storage Engines in Support of Online Analytical Processing in an Open Source Environment
… technologies are beneficial in a hybrid OLAP/OLTP system.</p>
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An evaluation of concurrency control with one thousand cores
… control for on-line transaction processing (OLTP) workloads on many-core chips. We implemented seven concurrency control algorithms on a main-memory DBMS and using computer simulations scaled our system to 1024 cores. Our analysis shows that all algorithms fail to scale to this magnitude but …
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Scheduling policies for disks and disk arrays
… on the disk. Such accesses are very common in OLTP applications, which tend to have stringent response time requirements. Scheduling of disk requests is intended to improve their response time, reduce disk service time, and increase disk access bandwidth with respect to the default FCFS …
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Dynamic Large-Scale Graph Processing over Data Streams with Community Detection as a Case Study
… and supports efficient complex analytics and OLTP queries. Experiments showed that the system is able to support the above mentioned properties and update graphs with up to 100 million edges in under 50 seconds in a moderate underlying cluster. Finally, we selected community detection as a …
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Measuring, modeling, and optimizing counterintuitive performance phenomena in power-scalable, parallel systems
… (varMail) and online transaction processing (oltp).
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On the Fault-tolerance and High Performance of Replicated Transactional Systems
… nowadays fall in Online Transaction Processing (OLTP) category, where low latency is preferred characteristic. In addition to low latency, OLTP transaction systems also require high service continuity and dependability. Replication is a common technique that makes the services dependable and …
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Logical leases : scalable hardware and software systems through time traveling
… algorithm for on-line transaction processing (OLTP) database management systems (DBMSs). Based on logical leases, TicToc provides a simple way of serializing transactions logically at runtime. TicToc has no centralized bottleneck, and commits transactions that would be aborted by conventional …
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Efficiency in Cluster Database Systems - Dynamic and Workload-Aware Scaling and Allocation
… of partitioning. The approach is evaluated for OLTP and OLAP style workloads. It is shown that variants of the approach scale well for both fields of application. The third part of the thesis considers benchmarks for large, adaptive systems. First, we present a data generator for cloud-sized …
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Database server workload characterization in an e-commerce environment
A typical E-commerce system that is deployed on the Internet has multiple layers that include Web users, Web servers, application servers, and a database server. As the system use and user request frequency increase, Web/application servers can be scaled up by replication. A load balancing proxy …
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Resource Efficient Parallel VLDB with Customizable Degree of Redundancy
This thesis focuses on the practical use of very large scale relational databases. It leverages two recent breakthroughs in parallel and distributed computing: a) synchronous transaction replication technologies by Justin Y. Shi and Suntain Song; and b) Stateless Parallel Processing principle …