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Add patched jvm.options removing -Xmx /-Xms lines (#27)
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## JVM configuration | ||
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################################################################ | ||
## 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://www.elastic.co/guide/en/elasticsearch/reference/current/heap-size.html | ||
## for more information | ||
## | ||
################################################################ | ||
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# Xms represents the initial size of total heap space | ||
# Xmx represents the maximum size of total heap space | ||
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# Commented out since these are supplied as env vars in the command-line | ||
# for the service. | ||
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#-Xms2g | ||
#-Xmx2g | ||
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################################################################ | ||
## Expert settings | ||
################################################################ | ||
## | ||
## All settings below this section are considered | ||
## expert settings. Don't tamper with them unless | ||
## you understand what you are doing | ||
## | ||
################################################################ | ||
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## GC configuration | ||
-XX:+UseConcMarkSweepGC | ||
-XX:CMSInitiatingOccupancyFraction=75 | ||
-XX:+UseCMSInitiatingOccupancyOnly | ||
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## optimizations | ||
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# disable calls to System#gc | ||
-XX:+DisableExplicitGC | ||
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# pre-touch memory pages used by the JVM during initialization | ||
-XX:+AlwaysPreTouch | ||
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## basic | ||
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# force the server VM (remove on 32-bit client JVMs) | ||
-server | ||
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# explicitly set the stack size (reduce to 320k on 32-bit client JVMs) | ||
-Xss1m | ||
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# set to headless, just in case | ||
-Djava.awt.headless=true | ||
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# ensure UTF-8 encoding by default (e.g. filenames) | ||
-Dfile.encoding=UTF-8 | ||
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# use our provided JNA always versus the system one | ||
-Djna.nosys=true | ||
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# use old-style file permissions on JDK9 | ||
-Djdk.io.permissionsUseCanonicalPath=true | ||
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# flags to keep Netty from being unsafe | ||
-Dio.netty.noUnsafe=true | ||
-Dio.netty.noKeySetOptimization=true | ||
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# log4j 2 | ||
-Dlog4j.shutdownHookEnabled=false | ||
-Dlog4j2.disable.jmx=true | ||
-Dlog4j.skipJansi=true | ||
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## heap dumps | ||
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# 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 | ||
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# specify an alternative path for heap dumps | ||
# ensure the directory exists and has sufficient space | ||
#-XX:HeapDumpPath=${heap.dump.path} | ||
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## GC logging | ||
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#-XX:+PrintGCDetails | ||
#-XX:+PrintGCTimeStamps | ||
#-XX:+PrintGCDateStamps | ||
#-XX:+PrintClassHistogram | ||
#-XX:+PrintTenuringDistribution | ||
#-XX:+PrintGCApplicationStoppedTime | ||
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# log GC status to a file with time stamps | ||
# ensure the directory exists | ||
#-Xloggc:${loggc} | ||
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# Elasticsearch 5.0.0 will throw an exception on unquoted field names in JSON. | ||
# If documents were already indexed with unquoted fields in a previous version | ||
# of Elasticsearch, some operations may throw errors. | ||
# | ||
# WARNING: This option will be removed in Elasticsearch 6.0.0 and is provided | ||
# only for migration purposes. | ||
#-Delasticsearch.json.allow_unquoted_field_names=true |