Tagged articles

data stream

3 articles · Page 1 of 1

Oct 26, 2025 · Fundamentals

Why Median Matters: Solving the Data‑Stream Median Problem with Two Heaps

This article explains why the median is a crucial statistic for interpreting massive job‑application data, defines the median concept, introduces the classic LeetCode "Data Stream Median" problem, and shows how to maintain a dynamic median efficiently using a max‑heap and a min‑heap.

LeetCodealgorithmdata stream

0 likes · 12 min read

Why Median Matters: Solving the Data‑Stream Median Problem with Two Heaps

JD Tech Talk

Aug 6, 2024 · Big Data

Real-Time Stream Computation in Monitoring Systems: Data Streams, Windows, and Watermarks with Apache Flink

This article explains the role of monitoring systems, introduces real-time data stream computation, describes data stream characteristics, details Flink’s event time and processing time concepts, various window types, watermark mechanisms, and strategies for handling out-of-order and late data.

FlinkReal-timeWindow

0 likes · 18 min read

Real-Time Stream Computation in Monitoring Systems: Data Streams, Windows, and Watermarks with Apache Flink

Big Data Technology & Architecture

Jul 22, 2019 · Big Data

Deep Dive into Stream SQL Principles and Incremental Query Execution in Apache Flink

This article provides an in‑depth analysis of Stream SQL theory, incremental query algorithms, materialized view maintenance, optimizer cost models, time handling, windowing, and the practical capabilities and limitations of Apache Flink’s streaming SQL engine.

Apache FlinkIncremental QueryStream SQL

0 likes · 30 min read

Deep Dive into Stream SQL Principles and Incremental Query Execution in Apache Flink