5d ago · 23 min read · TLDR: Spark's partition count and partitioning strategy are the two levers that determine whether a job scales linearly or crumbles under data growth. HashPartitioner distributes keys by hash modulo — fast and uniform for well-distributed keys, catas...
Join discussion5d ago · 16 min read · 🔥 When Your Database Bill Triples Overnight A retail engineering team ships a flash-sale feature. Traffic spikes 10×. Their Azure CosmosDB bill triples within 24 hours. Queries that ran in 5ms now take 800ms. The on-call engineer bumps provisioned R...
Join discussionApr 3 · 5 min read · The right Iceberg partition strategy can reduce query scan costs by 10–100x and prevent the small-file problem that degrades streaming pipeline performance. For streaming data written by RisingWave, partition by event time using Iceberg's hidden part...
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Feb 12 · 11 min read · Why Traditional Scaling Approaches Fail at Modern Scale Vertical scaling—adding more CPU, RAM, and faster storage to a single database server—hits hard limits around 96-128 cores and a few terabytes of RAM. Cloud providers offer increasingly powerful...
Join discussionFeb 12 · 10 min read · Why Traditional Partitioning Approaches Fail at Scale The default Kafka partitioner uses a murmur2 hash of the message key modulo the partition count. This works adequately for uniformly distributed keys with similar throughput characteristics. Howev...
Join discussionFeb 12 · 10 min read · Metadata SEO Title: PostgreSQL Partitioning: Range vs List vs Hash Strategies Meta Description: Learn when to use range, list, or hash partitioning in PostgreSQL. Compare strategies with production examples to optimize query performance at scale. Pri...
Join discussionOct 23, 2025 · 6 min read · The basic idea behind database partitioning is to take a very large table and split it into smaller, more manageable pieces, called partitions. However, to your application and your queries, it still looks and acts like a single table. The database m...
Join discussionSep 4, 2025 · 24 min read · For decades, the single relational database instance has been the bedrock of countless applications. It is a powerful, reliable workhorse, offering ACID guarantees, robust querying capabilities, and a mature ecosystem of tools. However, as applicatio...
Join discussionAug 29, 2025 · 3 min read · Kubernetes uses StatefulSets to manage pods that need persistent identity and storage, such as databases and clustered apps. When working with StatefulSets, understanding how pods are created, deleted, and updated is key for reliable deployments. Ord...
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Jul 2, 2025 · 22 min read · Database Sharding Strategies and Implementation: A Deep Dive for Senior Engineers The Unyielding Pressure of Scale: When Your Database Becomes the Bottleneck Imagine a rapidly growing e-commerce platform, processing millions of transactions daily. Or...
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