The article explains that the .tar.gz suffix reflects two separate Unix tools—tar for archiving and gzip for compression—combined via a pipeline, tracing their historical origins, design philosophy, and why this dual‑extension format remains prevalent today.
This article explains the historical background, standards, and internal structure of office formats like XLSX, DOCX, PPTX and PDF, and demonstrates how frontend developers can parse these files using XML, ZIP archives, JSZip and browser APIs to extract data or render documents.
kkFileView is an open‑source Spring Boot‑based service that enables online preview of a wide range of document, image, archive and multimedia formats, offering multiple rendering modes and easy REST integration for developers.
The article explains why Hive tables generate many small files on HDFS, describes the performance impact on NameNode and MapReduce, and provides detailed configuration steps and compression techniques—including input and output file merging, various Hive file formats, and partition optimization—to efficiently manage storage and resource consumption in big‑data environments.
This article compares CSV, JSON, Parquet, and Avro file formats, outlining their structures, advantages, and drawbacks, and explains how Apache Spark supports each format for efficient big‑data storage and processing.
