This inventor holds 5 USPTO granted patents. Top assignee: Oracle International Corporation. Active years: 2007-2021.
Location History:
- San Jose, CA (US) (2007 - 2009)
- Los Altos, CA (US) (2021)
Company Filing History:
Years Active: 2007-2021
Title: Vishwanath Karra: Innovator in Database Performance Analysis
Introduction
Vishwanath Karra is a notable inventor based in San Jose, CA (US), recognized for his contributions to database performance analysis. He holds a total of 5 patents, showcasing his expertise and innovative approach in the field of data storage and management.
Latest Patents
One of his latest patents focuses on database performance analysis based on a random archive. This invention discloses techniques for analyzing the execution of a query statement by identifying a plurality of query statements executed during a specific time period. A random sampling function is employed to select a set of query statements from this plurality. Execution plans and performance metrics associated with these randomly-selected query statements are stored in a random archive. When a performance metric for a current execution of a particular query statement fails to meet performance criteria, information from the random archive is analyzed to determine a model plan characteristic associated with the execution of that query statement. This leads to the identification of an execution plan for another execution of the same query statement.
Another significant patent by Vishwanath Karra involves a method and system for reclaiming storage space in data storage systems. In this embodiment, the high water mark of a data container is adjusted after the data within it is compacted, allowing for the reclamation of unused space in the data container.
Career Highlights
Vishwanath Karra has worked with prominent companies, including Oracle International Corporation, where he has applied his innovative ideas to enhance database technologies. His work has significantly impacted the efficiency and performance of data management systems.
Collaborations
Throughout his career, Vishwanath has collaborated with talented professionals such as Sujatha Muthulingam and Alex Tsukerman, contributing to various projects that advance the field of database performance.
Conclusion
Vishwanath Karra's innovative contributions to database performance analysis and storage reclamation demonstrate his expertise and commitment to improving data management systems. His patents reflect a deep understanding of the complexities involved in database technologies, making him a valuable figure in the field.