NDLI: Design, implementation, and evaluation of a repairable database management system

Content Provider	IEEE Xplore Digital Library
Author	Chiueh, T. Pilania, D.
Copyright Year	2005
Description	Author affiliation: Rether Networks Inc., Centereach, NY, USA (Chiueh, T.; Pilania, D.)
Abstract	Although conventional database management systems are designed to tolerate hardware and to a lesser extent even software errors, they cannot protect themselves against syntactically correct and semantically damaging transactions, which could arise because of malicious attacks or honest mistakes. The lack of fast post-intrusion or post-error damage repair in modern DBMSs results in a longer mean time to repair (MTTR) and sometimes permanent data loss that could have been saved by more intelligent repair mechanisms. In this paper, we describe the design and implementation of Phoenix - a system that significantly improves the efficiency and precision of database damage repair process after an intrusion or operator error and thus, increases the overall database system availability. The two key ideas underlying Phoenix are (1) maintaining persistent inter-transaction dependency information at run time to allow selective undo of database transactions that are considered "infected" by the intrusion or error in question and (2) exploiting information present in standard database logs for fast selective undo. Performance measurements on a fully operational Phoenix prototype, which is based on the PostgreSQL DBMS, demonstrate that Phoenix incurs a response time and a throughput penalty of less than 5% and 8%, respectively, under the TPC-C benchmark, but it can speed up the post-intrusion database repair process by at least an order of magnitude when compared with a manual repair process.
Sponsorship	IEEE Comput. Soc. Database Soc. of Japan (DBSJ) Inf. Process. Soc. of Japan (IPSJ) Inst. of Electron., Inf. and Commun. Eng. (IEICE)
Starting Page	1024
Ending Page	1035
File Size	140035
Page Count	12
File Format	PDF
ISBN	0769522858
ISSN	10844627
DOI	10.1109/ICDE.2005.49
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-04-05
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Database systems Transaction databases Hardware Error correction Protection Availability Measurement Prototypes Delay Throughput
Content Type	Text
Resource Type	Article
Subject	Signal Processing Information Systems Software

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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