Professional overview
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Vadiraj Hosur has experience in storage networking, databases, and various interests. He has a BS in Computer Engineering from Pune University, India and an MS from San Jose State. His early career included device driver development and DCOM programming. He implemented backup and restore infrastructure for Kuokoa Networks and worked on NDMP, file systems, and a database file system at Pillar Data Systems. His database experience includes in-memory optimizations and row access methods. His interests include scalable storage solutions, object storage, and distributed file systems.
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Professional overview
Vadiraj Hosur's professional overview summarizes his education, career path through storage networking and databases, and interests. He received a BS in computer engineering from Pune University in 1999 and an MS from San Jose State in 2008. His early career included driver development and DCOM programming. He implemented backup infrastructure for Kuokoa Networks and worked on NDMP, file systems, and database file systems at Pillar Data Systems. More recently, he has worked on in-memory databases, diagnostics, row access methods, compression analysis, and XML database technologies providing multiple access methods.
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Professional overview
Vadiraj Hosur's professional overview summarizes his education, career path through storage networking and databases, and interests. He received a BS in computer engineering from Pune University in 1999 and an MS from San Jose State in 2008. His early career included driver development and DCOM programming. He implemented backup infrastructure for Kuokoa Networks and worked on NDMP, file systems, and database file systems at Pillar Data Systems. More recently, he has worked on in-memory databases, diagnostics, row access methods, compression analysis, and XML database technologies providing multiple access methods.
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Outline
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•Need for Database Security
•Database Security Fundamentals
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• OWASP Top 10 – A3:2017– Sensitive Data Exposure
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Intro to Database Security
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•Database Management Systems (DBMS):
• DBMS serve “as an interface between the database and its end
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Source: What is a Database – Oracle –
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Professional overview
- 2. Agenda • Education • Early days • Storage networking • Database • Interests
- 3. Education and Early days • BS Computer Engineering, Pune University, India 1999 • MS San Jose State, California 2008 • While at Oracle. • Early Days • Win95 Device driver for a Cirrus Logic chip • Windows DCOM application programming
- 4. Storage and networking • Kuokoa Networks (6th employee) • Solely implemented backup/restore infrastructure from the spec (NDMPv3). • Wore multiple hats: Demos to VCs, customers, 3rd party validation • Pillar Data Systems • NDMP (v3 and v4). Incremental backups, spanning, certification etc. • File System quota • DBFS (Database FileSystem) • FUSE based posix interface to DB. Extended attributes and locking • Porting to solaris and Exadata. • Windows access via WebDAV.
- 5. Databases • In-memory database • Diagnostics for DMLs. Consistency checks between on-disk and in-memory data. • Memory protection to avoid stray writes • Row Access Methods • Fast Full Scan performance improved 3X. • OLTP compression analysis vis-à-vis ZFS. • XMLDB • Led FTP, WebDAV and NFS access to the DB for ingesting XML content.
- 6. Interests • New approach to scalable storage solutions • Cloud based object store • ZFS • HDFS • Ceph, Gluster