jvm.options
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## JVM configuration
## JVM configuration
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## IMPORTANT: JVM heap size
## IMPORTANT: JVM heap size
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##
##
## You should always set the min and max JVM heap
## You should always set the min and max JVM heap
## size to the same value. For example, to set
## size to the same value. For example, to set
## the heap to 4 GB, set:
## the heap to 4 GB, set:
##
##
## -Xms4g
## -Xms4g
## -Xmx4g
## -Xmx4g
##
##
## See https://opensearch.org/docs/opensearch/install/important-settings/
## See https://opensearch.org/docs/opensearch/install/important-settings/
## for more information
## for more information
##
##
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# Xms represents the initial size of total heap space
# Xms represents the initial size of total heap space
# Xmx represents the maximum size of total heap space
# Xmx represents the maximum size of total heap space
-Xms1894m
-Xms1g
-Xmx1894m
-Xmx1g
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## Expert settings
## Expert settings
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##
##
## All settings below this section are considered
## All settings below this section are considered
## expert settings. Don't tamper with them unless
## expert settings. Don't tamper with them unless
## you understand what you are doing
## you understand what you are doing
##
##
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## GC configuration
## GC configuration
8-10:-XX:+UseConcMarkSweepGC
8-10:-XX:+UseConcMarkSweepGC
8-10:-XX:CMSInitiatingOccupancyFraction=75
8-10:-XX:CMSInitiatingOccupancyFraction=75
8-10:-XX:+UseCMSInitiatingOccupancyOnly
8-10:-XX:+UseCMSInitiatingOccupancyOnly
## G1GC Configuration
## G1GC Configuration
# NOTE: G1 GC is only supported on JDK version 10 or later
# 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
# to use G1GC, uncomment the next two lines and update the version on the
# following three lines to your version of the JDK
# following three lines to your version of the JDK
# 10:-XX:-UseConcMarkSweepGC
# 10:-XX:-UseConcMarkSweepGC
# 10:-XX:-UseCMSInitiatingOccupancyOnly
# 10:-XX:-UseCMSInitiatingOccupancyOnly
11-:-XX:+UseG1GC
11-:-XX:+UseG1GC
11-:-XX:G1ReservePercent=25
11-:-XX:G1ReservePercent=25
11-:-XX:InitiatingHeapOccupancyPercent=30
11-:-XX:InitiatingHeapOccupancyPercent=30
## JVM temporary directory
## JVM temporary directory
-Djava.io.tmpdir=${OPENSEARCH_TMPDIR}
-Djava.io.tmpdir=${OPENSEARCH_TMPDIR}
## heap dumps
## heap dumps
# generate a heap dump when an allocation from the Java heap fails
# generate a heap dump when an allocation from the Java heap fails
# heap dumps are created in the working directory of the JVM
# heap dumps are created in the working directory of the JVM
-XX:+HeapDumpOnOutOfMemoryError
-XX:+HeapDumpOnOutOfMemoryError
# specify an alternative path for heap dumps; ensure the directory exists and
# specify an alternative path for heap dumps; ensure the directory exists and
# has sufficient space
# has sufficient space
-XX:HeapDumpPath=/var/lib/wazuh-indexer
-XX:HeapDumpPath=/var/lib/wazuh-indexer
# specify an alternative path for JVM fatal error logs
# specify an alternative path for JVM fatal error logs
-XX:ErrorFile=/var/log/wazuh-indexer/hs_err_pid%p.log
-XX:ErrorFile=/var/log/wazuh-indexer/hs_err_pid%p.log
## JDK 8 GC logging
## JDK 8 GC logging
8:-XX:+PrintGCDetails
8:-XX:+PrintGCDetails
8:-XX:+PrintGCDateStamps
8:-XX:+PrintGCDateStamps
8:-XX:+PrintTenuringDistribution
8:-XX:+PrintTenuringDistribution
8:-XX:+PrintGCApplicationStoppedTime
8:-XX:+PrintGCApplicationStoppedTime
8:-Xloggc:/var/log/wazuh-indexer/gc.log
8:-Xloggc:/var/log/wazuh-indexer/gc.log
8:-XX:+UseGCLogFileRotation
8:-XX:+UseGCLogFileRotation
8:-XX:NumberOfGCLogFiles=32
8:-XX:NumberOfGCLogFiles=32
8:-XX:GCLogFileSize=64m
8:-XX:GCLogFileSize=64m
# JDK 9+ GC logging
# 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
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)
# Explicitly allow security manager (https://bugs.openjdk.java.net/browse/JDK-8270380)
18-:-Djava.security.manager=allow
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
## OpenSearch Performance Analyzer
-Dclk.tck=100
-Dclk.tck=100
-Djdk.attach.allowAttachSelf=true
-Djdk.attach.allowAttachSelf=true
-Djava.security.policy=file:///etc/wazuh-indexer/opensearch-performance-analyzer/opensearch_security.policy
-Djava.security.policy=file:///etc/wazuh-indexer/opensearch-performance-analyzer/opensearch_security.policy
--add-opens=jdk.attach/sun.tools.attach=ALL-UNNAMED
--add-opens=jdk.attach/sun.tools.attach=ALL-UNNAMED