David McGinnisJan 19, 20224 minDebugging from the Field: Sudden CI Test FailuresThis is one of a series of posts revolving around debugging stories from the field. The goal of this series is to help demonstrate how to...
David McGinnisMar 3, 20205 minDebugging From The Field: When Parallelization Goes WrongBlog post chronicling the investigation of a series of errors in a Spark Streaming job reading from Spark.
David McGinnisFeb 25, 20207 minDebugging From The Field: The Case of the Empty FilesA team at a client was using Spark to read and write to a Kafka topic. [...] files that would be written that were completely empty.
David McGinnisDec 3, 20195 minDebugging From The Field: The Case of the Ignored Configuration ChangeWe made the change on a Sunday, but four days later, the number of files had not appreciably changed in the YARN logs directory.