Oltp-bench: An extensible testbed for benchmarking relational databases

DE Difallah, A Pavlo, C Curino… - Proceedings of the VLDB …, 2013 - dl.acm.org
Benchmarking is an essential aspect of any database management system (DBMS) effort.
Despite several recent advancements, such as pre-configured cloud database images and …

From data center resource allocation to control theory and back

X Dutreilh, A Moreau, J Malenfant… - 2010 IEEE 3rd …, 2010 - ieeexplore.ieee.org
Continuously adjusting the horizontal scaling of applications hosted by data centers appears
as a good candidate to automatic control approaches allocating resources in closed-loop …

JOMR: Multi-join optimizer technique to enhance map-reduce job

MS Shanoda, SA Senbel… - 2014 9th International …, 2014 - ieeexplore.ieee.org
Map-Reduce is a programming model and execution an environment developed by Google
to process very large amounts of data. Query optimizer is needed to find more efficient plans …

Coordinating self-sizing and self-repair managers for multi-tier systems

SMK Gueye, N De Palma, É Rutten, A Tchana… - Future Generation …, 2014 - Elsevier
Computing systems have become more and more distributed and heterogeneous, making
their manual administration difficult and error-prone. The Autonomic Computing approach …

[PDF][PDF] Queue weighting load-balancing technique for database replication in dynamic content web sites

E Sarhan, A Ghalwash, M Khafagy - Proceedings of the 9th WSEAS …, 2009 - fayoum.edu.eg
There is an ever increasing need for database replication in dynamic web sites to improve
availability. However, the main problem in replication is load balancing. This paper presents …

OCSS: ontology cloud storage system

HT al Feel, MH Khafagy - 2011 First International Symposium …, 2011 - ieeexplore.ieee.org
Cloud computing is considered a booming trend in the world of information technology
which depends on the idea of computing on demand. Cloud computing platform is a set of …

Hash semi cascade join for joining multi-way map reduce

MH Mohamed, MH Khafagy - 2015 SAI Intelligent Systems …, 2015 - ieeexplore.ieee.org
Map-reduce is a programming model popularized by Google since 2004. It's used with large-
scale datasets and processing data on a shared-nothing cluster. Map-Reduce accomplish …

[PDF][PDF] Comparative study load balance algorithms for map reduce environment

HA Hefny, MH Khafagy, MW Ahmed - International Journal of …, 2014 - research.ijais.org
MapReduce is a famous model for data-intensive parallel computing in shared-nothing
clusters. One of the main issues in MapReduce is the fact of depending its performance …

Improving the performance of mobile applications using cloud computing

IA Elgendy, M El-Kawkagy… - 2014 9th International …, 2014 - ieeexplore.ieee.org
Recently, smartphones set to become the fastest spreading technology. Although
smartphones support wide range of applications like augmented reality, face detection …

[PDF][PDF] JOUM: an indexing methodology for improving join in hive star schema

HSA Azez, MH Khafagy, FA Omara - International Journal of …, 2015 - researchgate.net
Now a day, Big data represents an important and complex Issue for information
extraction/retrieval due to required analysis computation power. Also, Database Star …