15,701 research outputs found
AnyDB: An Architecture-less DBMS for Any Workload
In this paper, we propose a radical new approach for scale-out distributed
DBMSs. Instead of hard-baking an architectural model, such as a shared-nothing
architecture, into the distributed DBMS design, we aim for a new class of
so-called architecture-less DBMSs. The main idea is that an architecture-less
DBMS can mimic any architecture on a per-query basis on-the-fly without any
additional overhead for reconfiguration. Our initial results show that our
architecture-less DBMS AnyDB can provide significant speed-ups across varying
workloads compared to a traditional DBMS implementing a static architecture.Comment: Submitted to 11th Annual Conference on Innovative Data Systems
Research (CIDR 21
General specifications for the development of a USL/DBMS NASA/PC R and D distributed workstation
The general specifications for the development of a PC-based distributed workstation (PCDWS) for an information storage and retrieval systems environment are defined. This research proposes the development of a PCDWS prototype as part of the University of Southwestern Louisiana Data Base Management System (USL/DBMS) NASA/PC R and D project in the PC-based workstation environment
Heterogeneous Distributed Data Base Management Systems
This work analyzes the design and implementation issues of Heterogeneous Distributed Data Base Management Systems (HDDBMS). To date, HD-DBMS research projects and implementa tions have been limited. The few such systems which have been constructed provide valuable insight into the nature of problems faced due to heterogeneity. Some of these systems (SIRIUS-DELTA, MULTIBASE, AIDA) , are presented in order to examine their solutions to the problems. The major issues described in the thesis are: the architec ture of the distributed system; query translation; schema mapping; and integration of the schemata within the hetero geneous distributed database, in seeking solutions to these issues, an architecture for a HD-DBMS is proposed
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Reliability modeling of a 1-out-of-2 system: Research with diverse Off-the-shelf SQL database servers
Fault tolerance via design diversity is often the only viable way of achieving sufficient dependability levels when using off-the-shelf components. We have reported previously on studies with bug reports of four open-source and commercial off-the-shelf database servers and later release of two of them. The results were very promising for designers of fault-tolerant solutions that wish to employ diverse servers: very few bugs caused failures in more than one server and none caused failure in more than two. In this paper we offer details of two approaches we have studied to construct reliability growth models for a 1-out-of-2 fault-tolerant server which utilize the bug reports. The models presented are of practical significance to system designers wishing to employ diversity with off-the-shelf components since often the bug reports are the only direct dependability evidence available to them
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