G1GC garbage collection with default ES settings

Author: Bek

cloud-config/configs/elasticsearch/jvm.options

@@ -9,10 +9,9 @@
 # Standard default jvm.options as of 20190930
 # -Xms2g
 # -Xmx2g
--XX:+UseConcMarkSweepGC
--XX:CMSInitiatingOccupancyFraction=75
--XX:+UseCMSInitiatingOccupancyOnly
--XX:+AlwaysPreTouch
+-XX:+UseG1GC
+-XX:G1ReservePercent=25
+-XX:InitiatingHeapOccupancyPercent=30-XX:+AlwaysPreTouch
 -server
 -Xss1m
 -Djava.awt.headless=true