Connection Failures and system too slow

[pturmel]

See this post:

Migrating to Java G1GC garbage collection

Reading up on G1GC in forum posts, I’ve gathered: Clients Add jvm-args="-XX:+UseG1GC" to the end of the target string in the native client launcher shortcuts to use G1GC under Java 7 (from this post by @pturmel). On the other hand, I’m thinking this is not required as long as clients are running on Java 8+. See next point. Consider limiting Java versions to 8+ in gateway settings as G1GC is the default in Java 8 per this post by @pturmell. Also note G1GC is not fully supported prior to JDK7 r…

Note that you must explicitly set G1GC in java 8. It didn't become the default until java 9.