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jvm.options

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## JVM configuration

################################################################

## IMPORTANT: JVM heap size

################################################################

## You should always set the min and max JVM heap

## size to the same value. For example, to set

## the heap to 4 GB, set:

## -Xms4g

## -Xmx4g

## See https://opensearch.org/docs/opensearch/install/important-settings/

## for more information

################################################################

# Xms represents the initial size of total heap space

# Xmx represents the maximum size of total heap space

-Xms1894m

-Xms1g

-Xmx1894m

-Xmx1g

################################################################

## Expert settings

################################################################

## All settings below this section are considered

## expert settings. Don't tamper with them unless

## you understand what you are doing

################################################################

## GC configuration

8-10:-XX:+UseConcMarkSweepGC

8-10:-XX:CMSInitiatingOccupancyFraction=75

8-10:-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:-XX:-UseConcMarkSweepGC

# 10:-XX:-UseCMSInitiatingOccupancyOnly

11-:-XX:+UseG1GC

11-:-XX:G1ReservePercent=25

11-:-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=/var/lib/wazuh-indexer

# specify an alternative path for JVM fatal error logs

-XX:ErrorFile=/var/log/wazuh-indexer/hs_err_pid%p.log

## JDK 8 GC logging

8:-XX:+PrintGCDetails

8:-XX:+PrintGCDateStamps

8:-XX:+PrintTenuringDistribution

8:-XX:+PrintGCApplicationStoppedTime

8:-Xloggc:/var/log/wazuh-indexer/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=/var/log/wazuh-indexer/gc.log:utctime,pid,tags:filecount=32,filesize=64m

# Explicitly allow security manager (https://bugs.openjdk.java.net/browse/JDK-8270380)

18-:-Djava.security.manager=allow

# JDK 20+ Incubating Vector Module for SIMD optimizations;

# disabling may reduce performance on vector optimized lucene

20:--add-modules=jdk.incubator.vector

# HDFS ForkJoinPool.common() support by SecurityManager

-Djava.util.concurrent.ForkJoinPool.common.threadFactory=org.opensearch.secure_sm.SecuredForkJoinWorkerThreadFactory

## OpenSearch Performance Analyzer

-Dclk.tck=100

-Djdk.attach.allowAttachSelf=true

-Djava.security.policy=file:///etc/wazuh-indexer/opensearch-performance-analyzer/opensearch_security.policy

--add-opens=jdk.attach/sun.tools.attach=ALL-UNNAMED

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## JVM configuration

################################################################
## IMPORTANT: JVM heap size
################################################################
##
## You should always set the min and max JVM heap
## size to the same value. For example, to set
## the heap to 4 GB, set:
##
## -Xms4g
## -Xmx4g
##
## See https://opensearch.org/docs/opensearch/install/important-settings/
## for more information
##
################################################################

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

-Xms1894m
-Xmx1894m

################################################################
## Expert settings
################################################################
##
## All settings below this section are considered
## expert settings. Don't tamper with them unless
## you understand what you are doing
##
################################################################

## GC configuration
8-10:-XX:+UseConcMarkSweepGC
8-10:-XX:CMSInitiatingOccupancyFraction=75
8-10:-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:-XX:-UseConcMarkSweepGC
# 10:-XX:-UseCMSInitiatingOccupancyOnly
11-:-XX:+UseG1GC
11-:-XX:G1ReservePercent=25
11-:-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=/var/lib/wazuh-indexer

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

## JDK 8 GC logging
8:-XX:+PrintGCDetails
8:-XX:+PrintGCDateStamps
8:-XX:+PrintTenuringDistribution
8:-XX:+PrintGCApplicationStoppedTime
8:-Xloggc:/var/log/wazuh-indexer/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=/var/log/wazuh-indexer/gc.log:utctime,pid,tags:filecount=32,filesize=64m

# Explicitly allow security manager (https://bugs.openjdk.java.net/browse/JDK-8270380)
18-:-Djava.security.manager=allow

## OpenSearch Performance Analyzer
-Dclk.tck=100
-Djdk.attach.allowAttachSelf=true
-Djava.security.policy=file:///etc/wazuh-indexer/opensearch-performance-analyzer/opensearch_security.policy
--add-opens=jdk.attach/sun.tools.attach=ALL-UNNAMED

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## JVM configuration

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

-Xms1g
-Xmx1g

## GC configuration
8-10:-XX:+UseConcMarkSweepGC
8-10:-XX:CMSInitiatingOccupancyFraction=75
8-10:-XX:+UseCMSInitiatingOccupancyOnly

## 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=/var/lib/wazuh-indexer

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

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

# Explicitly allow security manager (https://bugs.openjdk.java.net/browse/JDK-8270380)
18-:-Djava.security.manager=allow

# JDK 20+ Incubating Vector Module for SIMD optimizations;
# disabling may reduce performance on vector optimized lucene
20:--add-modules=jdk.incubator.vector

# HDFS ForkJoinPool.common() support by SecurityManager
-Djava.util.concurrent.ForkJoinPool.common.threadFactory=org.opensearch.secure_sm.SecuredForkJoinWorkerThreadFactory