https://github.com/marschall/string-dedup-parser

Parses HotSpot string deduplication logs.
https://github.com/marschall/string-dedup-parser

Last synced: 3 months ago
JSON representation

Parses HotSpot string deduplication logs.

• Host: GitHub
• URL: https://github.com/marschall/string-dedup-parser
• Owner: marschall
• Created: 2016-11-26T12:55:33.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2017-10-05T18:36:27.000Z (over 7 years ago)
• Last Synced: 2025-01-16T02:44:55.866Z (4 months ago)
• Language: Java
• Size: 285 KB
• Stars: 0
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
String Deduplication Log Parser [![Build Status](https://travis-ci.org/marschall/string-dedup-parser.svg?branch=master)](https://travis-ci.org/marschall/string-dedup-parser) [![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.github.marschall/string-dedup-parser/badge.svg)](https://maven-badges.herokuapp.com/maven-central/com.github.marschall/string-dedup-parser)

===============================

A parser for [HotSpot string deduplication](http://openjdk.java.net/jeps/192) logs. Tested with JDK 8 and JDK 9.

Usage

-----

Download [string-dedup-parser-0.3.0-shaded.jar](http://search.maven.org/remotecontent?filepath=com/github/marschall/string-dedup-parser/0.3.0/string-dedup-parser-0.3.0-shaded.jar)

Run the JAR with log file to parse as the first command line argument

```

java -jar string-dedup-parser-0.3.0-shaded.jar src/test/resources/middleware.log

```

the output will look something like this

```

total memory saved 162.1M in 148 deduplications

```

To get the logs you to to run at least with

```

-XX:+UseStringDeduplication -XX:+UseG1GC -XX:+PrintGC -XX:+PrintGCDetails

```

as string deduplication is only available with G1.