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GC Log Analyzer 25.08.0

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September 1, 2025

What’s new

  • Pressure Stall Information (PSI) metrics have been added to the System Information page. These metrics cover CPU, memory and IO stalls. With the additional PSI metrics displayed directly in System Information, you can conveniently compare PSI metrics with other metrics such as load average and memory info. PSI metrics are available from Zing 25.08.0.0.

  • GCLA 25.08.0 introduces a new chart which displays how many total WeakRef.get() calls were made, as well as how many total refs were strengthened. The new chart is named Weak/Soft Reference Stats and is located in the Java Heap section of GCLA.

  • Additional information has been added to the In-Flight Compilations chart. Now you can see the number of in-flight compilations (compilation requests which have been sent to the server but haven’t received a response yet) as well as the number of CNC compilations which have been started on the server.

Fixed issues

Issue ID Description

ZVM-36218

Update GCLA jar to use the latest version of profile2xlog version

Known issues

There are no new known issues associated with this release.