GCLogViewer(tool to visualize gc log) V0.2 Release

GCLogViewer(tool to visualize gc log) V0.2 Release

In product env,we always need to monitor gc trend or tunning gc based on gc trend,before sun jdk 1.6+,we can use GCViewer to visualize gc log to see gc trend,but it not support jdk 1.6+,so I write a free open source tool to visualize gc log produced by sun jdk 1.6+,now V 0.2 release,If you need,pls download from  http://code.google.com/p/gclogviewer/.

ps:  if you're swt programmer and interested this project,pls attend to this project.

V 0.2 Features

1. GC parameters: GC Type
2. GC Trend
• minor GC Trend (Frequency,consume time,memory changes)
• full GC Trend (Frequency,consume time,memory changes)
• Application stopped time caused by GC trend and summary
• Different GC Type on different infos
• CMS GC Trend and concurrent mode failure trend
• show Tenuring Trend when use Serial GC type

On the trend graph you can save or zoom to see details.

V 0.2 ScreenShot



Future

in next version(0.4) we'all bring the following features:

1. Improve analyze and ui performance,now trend graph is a little slow;
2. CMS GC summary info and trend;
3. More GC Infos,such as NewGen? size(Eden/S0/S1),OldGen? Size;
4. Export viewer info to pdf and excel;
5. Time X change to real time,now just use log file seconds;
6. Two GC log compare;
7. GC Tunning advice;
8. Support more jdk version: 1.5 and 1.7;
9. Support jstat>file view.