Ioana Delaney, Senior Software Engineer at IBM

Ioana Delaney

Senior Software Engineer, IBM

Ioana Delaney is a Senior Software Engineer in Silicon Valley Laboratory in San Jose, California. She was part of the DB2 for LUW development team until she recently joined Spark Technology Center at IBM. She worked in many areas of SQL and XML query compilation, including query semantics, query rewrite, query optimization, and federated/distributed compiler.


Extending Apache Spark SQL Data Source APIs with Join Push Down

When Spark applications operate on distributed data coming from disparate data sources, they often have to directly query data sources external to Spark such as backing relational databases, or data warehouses. For that, Spark provides… Read more