Success at Apache: A Newbie’s Narrative

What this post added

This post details the author's personal journey contributing to the Apache Tez project, focusing on the migration of Yahoo jobs from MapReduce to Tez and the subsequent improvement of the Tez Shuffle Handler Service. It highlights the collaborative nature of open-source development, the challenges faced in implementing progress reporting and optimizing the shuffle phase, and the eventual success of a new Shuffle Handler implementation that addressed performance bottlenecks.