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CIDR
2007
100views Algorithms» more  CIDR 2007»
15 years 16 days ago
Database Cracking
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, w...
Stratos Idreos, Martin L. Kersten, Stefan Manegold
SIGMOD
2010
ACM
214views Database» more  SIGMOD 2010»
15 years 3 months ago
ParaTimer: a progress indicator for MapReduce DAGs
Time-oriented progress estimation for parallel queries is a challenging problem that has received only limited attention. In this paper, we present ParaTimer, a new type of timere...
Kristi Morton, Magdalena Balazinska, Dan Grossman
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
15 years 11 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
ANSS
1997
IEEE
15 years 3 months ago
Analytical Simulation for Performance Analysis of Distributed Virtual Reality Systems
Existing performance analysis techniques have limitations when used on distributed virtual reality systems, including a lack of support for the measurement of interaction latency....
Shaun Bangay, Peter Clayton, David A. Sewry
ICDE
2010
IEEE
177views Database» more  ICDE 2010»
15 years 6 months ago
Optimal load shedding with aggregates and mining queries
— To cope with bursty arrivals of high-volume data, a DSMS has to shed load while minimizing the degradation of Quality of Service (QoS). In this paper, we show that this problem...
Barzan Mozafari, Carlo Zaniolo