Plans are afoot to make the G1 server-style garbage collector the default collector for 32- and 64-bit Java server configurations, but there could be complications. As noted in JEP (JDK Enhancement ...

Oracle Corp. has proposed making the Garbage-First (G1) Collector the default HotSpot garbage collector (GC) in JDK 9 on 32- and 64-bit server configurations, sparking some debate in the Java ...