Pinterest Uses Event Time Watermarks to Finalize Petabyte Scale Data Partitions
Pinterest has introduced event time-based partition finalization for its database ingestion framework. The mechanism uses Apache Flink to track even…
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Slack Eliminates SSH in EMR Pipelines, Migrates 700+ Jobs to Rest-Based Architecture
Slack modernized its data platform by replacing SSH based execution in Amazon EMR pipelines with a REST driven orchestration layer called Quarry. Th…
Article: Two Misconfigurations That Caused Spark OOM Failures on Kubernetes
After migrating Spark pipelines to Azure Kubernetes Service, two infrastructure settings interacted destructively: spark.kubernetes.local.dirs.tmpfs…
Article: From Batch to Micro-Batch Streaming: Lessons Learned the Hard Way in a Delta Index Pipeline
This article describes how a production delta-index pipeline migrated from scheduled batch to micro-batch Spark Structured Streaming. It covers why…