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GC Related Signatures In JDK 11 (Doc ID 3072224.1)

Last updated on FEBRUARY 14, 2025

Applies to:

Oracle Communications Converged Application Server - Version 8.1.0 and later
Information in this document applies to any platform.

Goal

Customer used to monitor old collection by searching for patterns "G1 Old Gen" and "PS MarkSweep, G1 Old Generation" in JDK8, but they do not see this signature in JDK11, the following 3 signatures are no longer supported on JDK11, what's the new signature in JDK11 to replace them?

-XX:+PrintGCApplicationConcurrentTime
-XX:+PrintGCDateStamps

-XX:+PrintGCTimeStamps

Solution

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In this Document
Goal
Solution


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