gcviewer を Homebrew でインストール

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• gcviewer

プロジェクトの歴史

The current repository is a fork of tagtraum industries' GCViewer. Its GitHub metadata says tagtraum development stopped in 2008 and that this fork aimed to improve support for Sun/Oracle Java 1.6 and later garbage-collector logs, including G1. The README credits Hendrik Schreiber for GCViewer up to 1.29.

採用の歴史

GCViewer fits the Java operations era in which verbose GC logs were exchanged as files and interpreted offline. The changelog shows maintenance following JVM logging changes: G1 work in the 1.31 series, Maven Central publication in 1.33, command-line image/report generation, Java 8 updates, unified logging, Shenandoah, ZGC, and a 2026 update for newer parser cases.

使われ方

Users open or pass GC log files to GCViewer, then inspect charts, pause summaries, heap metrics, parser warnings, and exported summaries. The command-line mode can generate CSV-style reports and optional chart images, making it useful in scripted JVM performance investigations.

パッケージ好きにとっての重要性

GCViewer is notable because it packages years of JVM log-format drift into one small desktop-and-CLI artifact. It preserves support for vendor-era Java logs while continuing to parse newer OpenJDK unified logging, which is exactly the kind of compatibility surface package maintainers care about.

タイムライン

• 2008: Repository metadata says tagtraum development had stopped.
• 2011: GitHub records the chewiebug GCViewer repository creation.
• 2012: The 1.31 series adds G1 parser work and OS X bundle support.
• 2013: GCViewer 1.33 publishes to Maven Central and adds command-line image generation.
• 2019: GCViewer 1.36 adds unified logging support, Shenandoah, ZGC, and Go GC logging.
• 2026: GCViewer 1.37 is released with parser and UI updates.

Related projects

• The original tagtraum GCViewer is the direct predecessor named by the project.
• Sun/Oracle HotSpot, OpenJDK, IBM JVM, HP-UX JVM, and BEA JRockit logs are supported input families.
• gchisto is referenced by the changelog as a related simple-GC-log export target.

ソース

• https://api.github.com/repos/chewiebug/GCViewer
• https://api.github.com/repos/chewiebug/GCViewer/releases
• https://github.com/chewiebug/GCViewer
• https://github.com/chewiebug/GCViewer/wiki
• https://raw.githubusercontent.com/chewiebug/GCViewer/master/README.md
• https://raw.githubusercontent.com/wiki/chewiebug/GCViewer/Changelog.md