Question2Replies270Views×Close popoverMasashi Tsuneizumi (tsunm) PEGA Principal Sales Engineer Pegasystems Inc. JP View Profile tsunm Member since 2014 14 posts PEGA Posted: July 4, 2018Last activity: July 4, 2018Posted: 4 Jul 2018 2:50 EDTLast activity: 4 Jul 2018 22:01 EDT Closed Solved Impact for JVM memory management change from Java 7 to Java 8The memory management has been changed from Java 8 - permanent generation space has gone from heap and metaspace in native memory is introduced.Does this change impact on the JVM configuration (in this article)? (We may need to replace -XX:PermSize, -XX:MaxPermSize by -XX:MetaspaceSize, -XX:MaxMetaspaceSize. Anything else to consider?)We had done H/W sizing. The sizing sheet doesn't require to input JDK version. Is that mean this change is not impact on memory estimates in H/W sizing? System Administration ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Moderation Team has archived post This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question. Accepted Solution Posted: 2 years agoPosted: 4 Jul 2018 12:35 EDT×Close popoverChandrasekhar Gollamudi VN (chandrasekhar_g) PEGA Technical Manager Pegasystems Inc. IN View Profilechandrasekhar_g PEGA replied to tsunmHi, Permgen is replaced with metaspace in Java 8. This change does not have impact on JVM and H/W sizing. Posted: 2 years agoPosted: 4 Jul 2018 21:58 EDT×Close popoverMasashi Tsuneizumi (tsunm) PEGA Principal Sales Engineer Pegasystems Inc. JP View Profiletsunm PEGA replied to chandrasekhar_gThank you for the answer.