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Professional Overview
Vadiraj Hosur
Agenda
• Education
• Early days
• Storage networking
• Database
• Interests
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
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.
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.

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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.