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Jitendra Pandey

dblp:147/1271 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2014
—ORCID · unresolved

Domains — the database's venue-derived domains; a paper can count in several

Databases, data management, data science and information retrieval · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer architecture, parallel and distributed computing, and storage systems
1 paper
Storage systems · 100%
Databases, data mining, and information retrieval
1 paper
Data integration and cleaning · 77% Distributed and cloud data management · 23%

Topics — the 3 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Data integration and cleaning
data warehouse
0.212014
Major technical advancements in apache hive · SIGMOD Conference 2014
Storage systems › data management › database storage
columnar storage
0.212014
Major technical advancements in apache hive · SIGMOD Conference 2014
Storage systems › data representation
file format
0.212014
Major technical advancements in apache hive · SIGMOD Conference 2014

Methods — techniques the papers use, named apart from their topics

benchmarking · 0.4
YearPublicationVenuePosition
2014 Major technical advancements in apache hive
abstract
Apache Hive is a widely used data warehouse system for Apache Hadoop, and has been adopted by many organizations for various big data analytics applications. Closely working with many users and organizations, we have identified several shortcomings of Hive in its file formats, query planning, and query execution, which are key factors determining the performance of Hive. In order to make Hive continuously satisfy the requests and requirements of processing increasingly high volumes data in a scalable and efficient way, we have set two goals related to storage and runtime performance in our efforts on advancing Hive. First, we aim to maximize the effective storage capacity and to accelerate data accesses to the data warehouse by updating the existing file formats. Second, we aim to significantly improve cluster resource utilization and runtime performance of Hive by developing a highly optimized query planner and a highly efficient query execution engine. In this paper, we present a community-based effort on technical advancements in Hive. Our performance evaluation shows that these advancements provide significant improvements on storage efficiency and query execution performance. This paper also shows how academic research lays a foundation for Hive to improve its daily operations.
Yin Huai, Ashutosh Chauhan, Alan Gates, Günther Hagleitner, Eric N. Hanson, Owen O'Malley, Jitendra Pandey, Yuan Yuan 0014, Rubao Lee, Xiaodong Zhang 0001
SIGMOD Conference7