TRABAJO DE INVESTIGACIÓN Partial Replication and Snapshot Isolation at the Middleware Level
نویسندگان
چکیده
منابع مشابه
Managing Multiple Isolation Levels in Middleware Database Replication Protocols
Many database replication protocols have been designed for guaranteeing a serialisable isolation level, since it is appropriate for almost all applications. However, it also requires a tight coordination among replicas and might generate high abortion rates with some workloads. So, other isolation levels have also been considered, such as snapshot isolation and cursor stability, but none of the...
متن کاملPangea: An Eager Database Replication Middleware guaranteeing Snapshot Isolation without Modification of Database Servers
Recently, several middleware-based approaches have been proposed. If we implement all functionalities of database replication only in a middleware layer, we can avoid the high cost of modifying existing database servers or scratchbuilding. However, it is a big challenge to propose middleware which can enhance performance and scalability without modification of database servers because the restr...
متن کاملByzantium: Byzantine-Fault-Tolerant Database Replication Providing Snapshot Isolation
Database systems are a key component behind many of today’s computer systems. As a consequence, it is crucial that database systems provide correct and continuous service despite unpredictable circumstances, such as software bugs or attacks. This paper presents the design of Byzantium, a Byzantine fault-tolerant database replication middleware that provides snapshot isolation (SI) semantics. SI...
متن کاملRobust Snapshot Replication
An important technique to ensure the scalability and availability of clustered computer systems is data replication. This paper describes a new approach to data replication management called Robust Snapshot Replication. It combines an update anywhere approach (so updates can be evaluated on any replica, spreading their load) with lazy update propagation and snapshot isolation concurrency contro...
متن کاملA Performance Evaluation of g-Bound with a Consistency Protocol Supporting Multiple Isolation Levels
Whereas the Strict Snapshot Isolation (SSI) level is nowadays offered by most of the centralized DBMSs, replicated databases do not usually provide it, since the traditionally considered approach, the pessimistic management, introduces enormous performance penalties that preclude it from production applications. Instead, distributed databases usually offer Generalized Snapshot Isolation (GSI), ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2006