jvm.options
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	# -------------------------------------------------------------
	# OpenSearch configuration - JVM
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
	# Project: Nasqueron
	# License: Trivial work, not eligible to copyright
	# Source file: roles/opensearch/opensearch/files/jvm.options
	# -------------------------------------------------------------
	#
	# <auto-generated>
	# This file is managed by our rOPS SaltStack repository.
	#
	# Changes to this file may cause incorrect behavior
	# and will be lost if the state is redeployed.
	# </auto-generated>

	# -------------------------------------------------------------
	# JVM heap size
	#
	# Xms represents the initial size of total heap space
	# Xmx represents the maximum size of total heap space
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	-Xms{{ heap_size }}
	-Xmx{{ heap_size }}

	# -------------------------------------------------------------
	# Expert settings
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	## GC configuration
	8-13:-XX:+UseConcMarkSweepGC
	8-13:-XX:CMSInitiatingOccupancyFraction=75
	8-13:-XX:+UseCMSInitiatingOccupancyOnly

	## G1GC Configuration
	# NOTE: G1 GC is only supported on JDK version 10 or later
	# to use G1GC, uncomment the next two lines and update the version on the
	# following three lines to your version of the JDK
	# 10-13:-XX:-UseConcMarkSweepGC
	# 10-13:-XX:-UseCMSInitiatingOccupancyOnly
	14-:-XX:+UseG1GC
	14-:-XX:G1ReservePercent=25
	14-:-XX:InitiatingHeapOccupancyPercent=30

	## JVM temporary directory
	-Djava.io.tmpdir=${OPENSEARCH_TMPDIR}

	## heap dumps

	# generate a heap dump when an allocation from the Java heap fails
	# heap dumps are created in the working directory of the JVM
	-XX:+HeapDumpOnOutOfMemoryError

	# specify an alternative path for heap dumps; ensure the directory exists and
	# has sufficient space
	-XX:HeapDumpPath=data

	# specify an alternative path for JVM fatal error logs
	-XX:ErrorFile=logs/hs_err_pid%p.log

	## JDK 8 GC logging
	8:-XX:+PrintGCDetails
	8:-XX:+PrintGCDateStamps
	8:-XX:+PrintTenuringDistribution
	8:-XX:+PrintGCApplicationStoppedTime
	8:-Xloggc:logs/gc.log
	8:-XX:+UseGCLogFileRotation
	8:-XX:NumberOfGCLogFiles=32
	8:-XX:GCLogFileSize=64m

	# JDK 9+ GC logging
	9-:-Xlog:gc*,gc+age=trace,safepoint:file=logs/gc.log:utctime,pid,tags:filecount=32,filesize=64m

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