7a32b5c9a9
The following options will reduce cluster pressure and generally improve search performance. Change-Id: I1619680db1fd595503f0845b182d6f6ce4c59f3c Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
83 lines
2.1 KiB
Django/Jinja
83 lines
2.1 KiB
Django/Jinja
## JVM configuration
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# Xms represents the initial size of total heap space
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# Xmx represents the maximum size of total heap space
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{% if (not (elasticsearch_node_master | default(master_node)) | bool) and (not (elasticsearch_node_data | default(data_node)) | bool) %}
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-Xms{{ (elastic_heap_size | int) // 2 }}m
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-Xmx{{ (elastic_heap_size | int) // 2 }}m
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{% else %}
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-Xms{{ elastic_heap_size }}m
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-Xmx{{ elastic_heap_size }}m
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{% endif %}
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################################################################
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## Expert settings
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################################################################
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##
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## All settings below this section are considered
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## expert settings. Don't tamper with them unless
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## you understand what you are doing
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##
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################################################################
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## GC configuration
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-XX:+UseParNewGC
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-XX:+UseConcMarkSweepGC
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-XX:CMSInitiatingOccupancyFraction=75
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-XX:+UseCMSInitiatingOccupancyOnly
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## optimizations
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# disable calls to System#gc
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-XX:+DisableExplicitGC
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## locale
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# Set the locale language
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#-Duser.language=en
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# Set the locale country
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#-Duser.country=US
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# Set the locale variant, if any
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#-Duser.variant=
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## basic
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# set the I/O temp directory
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-Djava.io.tmpdir={{ temp_dir }}
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# set to headless, just in case
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-Djava.awt.headless=true
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# ensure UTF-8 encoding by default (e.g. filenames)
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-Dfile.encoding=UTF-8
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# use our provided JNA always versus the system one
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#-Djna.nosys=true
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## heap dumps
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# generate a heap dump when an allocation from the Java heap fails
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# heap dumps are created in the working directory of the JVM
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-XX:+HeapDumpOnOutOfMemoryError
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# specify an alternative path for heap dumps
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# ensure the directory exists and has sufficient space
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#-XX:HeapDumpPath=${LOGSTASH_HOME}/heapdump.hprof
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## GC logging
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#-XX:+PrintGCDetails
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#-XX:+PrintGCTimeStamps
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#-XX:+PrintGCDateStamps
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#-XX:+PrintClassHistogram
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#-XX:+PrintTenuringDistribution
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#-XX:+PrintGCApplicationStoppedTime
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# log GC status to a file with time stamps
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# ensure the directory exists
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#-Xloggc:${LS_GC_LOG_FILE}
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# Disable log4j because its not supported by elastic
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-Dlog4j2.disable.jmx=true
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