Change INSTALL4J_ADD_VM_PARAMS to new defaults

Dockerfile

@@ -56,6 +56,6 @@ VOLUME ${NEXUS_DATA}
 EXPOSE 8081
 USER nexus
 
-ENV INSTALL4J_ADD_VM_PARAMS="-Xms1200m -Xmx1200m -XX:MaxDirectMemorySize=2g -Djava.util.prefs.userRoot=${NEXUS_DATA}/javaprefs"
+ENV INSTALL4J_ADD_VM_PARAMS="-Xms2703m -Xmx2703m -XX:MaxDirectMemorySize=2703m -Djava.util.prefs.userRoot=${NEXUS_DATA}/javaprefs"
 
 CMD ["sh", "-c", "${SONATYPE_DIR}/start-nexus-repository-manager.sh"]

Dockerfile.rh.centos

@@ -73,7 +73,7 @@ VOLUME ${NEXUS_DATA}
 EXPOSE 8081
 USER nexus
 
-ENV INSTALL4J_ADD_VM_PARAMS="-Xms1200m -Xmx1200m -XX:MaxDirectMemorySize=2g -Djava.util.prefs.userRoot=${NEXUS_DATA}/javaprefs"
+ENV INSTALL4J_ADD_VM_PARAMS="-Xms2703m -Xmx2703m -XX:MaxDirectMemorySize=2703m -Djava.util.prefs.userRoot=${NEXUS_DATA}/javaprefs"
 
 ENTRYPOINT ["/uid_entrypoint.sh"]
 CMD ["sh", "-c", "${SONATYPE_DIR}/start-nexus-repository-manager.sh"]

Dockerfile.rh.el

@@ -73,7 +73,7 @@ VOLUME ${NEXUS_DATA}
 EXPOSE 8081
 USER nexus
 
-ENV INSTALL4J_ADD_VM_PARAMS="-Xms1200m -Xmx1200m -XX:MaxDirectMemorySize=2g -Djava.util.prefs.userRoot=${NEXUS_DATA}/javaprefs"
+ENV INSTALL4J_ADD_VM_PARAMS="-Xms2703m -Xmx2703m -XX:MaxDirectMemorySize=2703m -Djava.util.prefs.userRoot=${NEXUS_DATA}/javaprefs"
 
 ENTRYPOINT ["/uid_entrypoint.sh"]
 CMD ["sh", "-c", "${SONATYPE_DIR}/start-nexus-repository-manager.sh"]

README.md

@@ -111,12 +111,12 @@ process, which runs as UID 200.
 
 * There is an environment variable that is being used to pass JVM arguments to the startup script
 
-  * `INSTALL4J_ADD_VM_PARAMS`, passed to the Install4J startup script. Defaults to `-Xms1200m -Xmx1200m -XX:MaxDirectMemorySize=2g -Djava.util.prefs.userRoot=${NEXUS_DATA}/javaprefs`.
+  * `INSTALL4J_ADD_VM_PARAMS`, passed to the Install4J startup script. Defaults to `-Xms2703m -Xmx2703m -XX:MaxDirectMemorySize=2703m -Djava.util.prefs.userRoot=${NEXUS_DATA}/javaprefs`.
 
   This can be adjusted at runtime:
 
   ```
-  $ docker run -d -p 8081:8081 --name nexus -e INSTALL4J_ADD_VM_PARAMS="-Xms2g -Xmx2g -XX:MaxDirectMemorySize=3g  -Djava.util.prefs.userRoot=/some-other-dir" sonatype/nexus3
+  $ docker run -d -p 8081:8081 --name nexus -e INSTALL4J_ADD_VM_PARAMS="-Xms4G -Xmx4G -XX:MaxDirectMemorySize=4014m -Djava.util.prefs.userRoot=/some-other-dir" sonatype/nexus3
   ```
 
   Of particular note, `-Djava.util.prefs.userRoot=/some-other-dir` can be set to a persistent path, which will maintain