Wassim AlmaaouiinUntienotsDelta Lake, when reliability meets performanceConcurrent Reads and WritesJan 11, 2022Jan 11, 2022
Wassim AlmaaouiinData Engineering For AllSpark 2.x to spark 3.0 — Adaptive Query Execution — Part1Switching Join Strategy, by Radhwane Chebaane and Wassim AlmaaouiJun 30, 20202Jun 30, 20202
Wassim AlmaaouiinTeads EngineeringReducing AWS EMR data processing costs3 actionable measures to lower your EMR bills: Spot instances, EMR pricing on bigger EC2 instances and idle cluster detection.Mar 31, 2020Mar 31, 2020
Wassim AlmaaouiinTeads EngineeringSpark UDAF could be an option!Another real-life use case and methods to consider when optimizing a Spark job, this time using User Defined Aggregation Functions (UDAF).Jan 29, 20201Jan 29, 20201