Upgrading server dependancies (#8154)

vendor/github.com/olivere/elastic/etc/elasticsearch.yml

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+# bootstrap.ignore_system_bootstrap_checks: true
+
+discovery.zen.minimum_master_nodes: 1
+
+network.host:
+- _local_
+- _site_
+
+network.publish_host: _local_
+
+
+# Enable scripting as described here: https://www.elastic.co/guide/en/elasticsearch/reference/master/modules-scripting.html
+script.inline: true
+script.stored: true
+script.file:   true

vendor/github.com/olivere/elastic/etc/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://www.elastic.co/guide/en/elasticsearch/reference/current/heap-size.html
+## for more information
+##
+################################################################
+
+# Xms represents the initial size of total heap space
+# Xmx represents the maximum size of total heap space
+
+-Xms2g
+-Xmx2g
+
+################################################################
+## 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
+-XX:+UseConcMarkSweepGC
+-XX:CMSInitiatingOccupancyFraction=75
+-XX:+UseCMSInitiatingOccupancyOnly
+
+## optimizations
+
+# disable calls to System#gc
+-XX:+DisableExplicitGC
+
+# pre-touch memory pages used by the JVM during initialization
+-XX:+AlwaysPreTouch
+
+## basic
+
+# force the server VM
+-server
+
+# set to headless, just in case
+-Djava.awt.headless=true
+
+# ensure UTF-8 encoding by default (e.g. filenames)
+-Dfile.encoding=UTF-8
+
+# use our provided JNA always versus the system one
+-Djna.nosys=true
+
+# flags to keep Netty from being unsafe
+-Dio.netty.noUnsafe=true
+-Dio.netty.noKeySetOptimization=true
+
+# log4j 2
+-Dlog4j.shutdownHookEnabled=false
+-Dlog4j2.disable.jmx=true
+-Dlog4j.skipJansi=true
+
+## 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=${heap.dump.path}
+
+## GC logging
+
+#-XX:+PrintGCDetails
+#-XX:+PrintGCTimeStamps
+#-XX:+PrintGCDateStamps
+#-XX:+PrintClassHistogram
+#-XX:+PrintTenuringDistribution
+#-XX:+PrintGCApplicationStoppedTime
+
+# log GC status to a file with time stamps
+# ensure the directory exists
+#-Xloggc:${loggc}
+
+# 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

vendor/github.com/olivere/elastic/etc/log4j2.properties

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+status = error
+
+# log action execution errors for easier debugging
+logger.action.name = org.elasticsearch.action
+logger.action.level = debug
+
+appender.console.type = Console
+appender.console.name = console
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = [%d{ISO8601}][%-5p][%-25c{1.}] %marker%m%n
+
+appender.rolling.type = RollingFile
+appender.rolling.name = rolling
+appender.rolling.fileName = ${sys:es.logs}.log
+appender.rolling.layout.type = PatternLayout
+appender.rolling.layout.pattern = [%d{ISO8601}][%-5p][%-25c{1.}] %marker%.10000m%n
+appender.rolling.filePattern = ${sys:es.logs}-%d{yyyy-MM-dd}.log
+appender.rolling.policies.type = Policies
+appender.rolling.policies.time.type = TimeBasedTriggeringPolicy
+appender.rolling.policies.time.interval = 1
+appender.rolling.policies.time.modulate = true
+
+rootLogger.level = info
+rootLogger.appenderRef.console.ref = console
+rootLogger.appenderRef.rolling.ref = rolling
+
+appender.deprecation_rolling.type = RollingFile
+appender.deprecation_rolling.name = deprecation_rolling
+appender.deprecation_rolling.fileName = ${sys:es.logs}_deprecation.log
+appender.deprecation_rolling.layout.type = PatternLayout
+appender.deprecation_rolling.layout.pattern = [%d{ISO8601}][%-5p][%-25c{1.}] %marker%.10000m%n
+appender.deprecation_rolling.filePattern = ${sys:es.logs}_deprecation-%i.log.gz
+appender.deprecation_rolling.policies.type = Policies
+appender.deprecation_rolling.policies.size.type = SizeBasedTriggeringPolicy
+appender.deprecation_rolling.policies.size.size = 1GB
+appender.deprecation_rolling.strategy.type = DefaultRolloverStrategy
+appender.deprecation_rolling.strategy.max = 4
+
+logger.deprecation.name = org.elasticsearch.deprecation
+logger.deprecation.level = warn
+logger.deprecation.appenderRef.deprecation_rolling.ref = deprecation_rolling
+logger.deprecation.additivity = false
+
+appender.index_search_slowlog_rolling.type = RollingFile
+appender.index_search_slowlog_rolling.name = index_search_slowlog_rolling
+appender.index_search_slowlog_rolling.fileName = ${sys:es.logs}_index_search_slowlog.log
+appender.index_search_slowlog_rolling.layout.type = PatternLayout
+appender.index_search_slowlog_rolling.layout.pattern = [%d{ISO8601}][%-5p][%-25c] %marker%.10000m%n
+appender.index_search_slowlog_rolling.filePattern = ${sys:es.logs}_index_search_slowlog-%d{yyyy-MM-dd}.log
+appender.index_search_slowlog_rolling.policies.type = Policies
+appender.index_search_slowlog_rolling.policies.time.type = TimeBasedTriggeringPolicy
+appender.index_search_slowlog_rolling.policies.time.interval = 1
+appender.index_search_slowlog_rolling.policies.time.modulate = true
+
+logger.index_search_slowlog_rolling.name = index.search.slowlog
+logger.index_search_slowlog_rolling.level = trace
+logger.index_search_slowlog_rolling.appenderRef.index_search_slowlog_rolling.ref = index_search_slowlog_rolling
+logger.index_search_slowlog_rolling.additivity = false
+
+appender.index_indexing_slowlog_rolling.type = RollingFile
+appender.index_indexing_slowlog_rolling.name = index_indexing_slowlog_rolling
+appender.index_indexing_slowlog_rolling.fileName = ${sys:es.logs}_index_indexing_slowlog.log
+appender.index_indexing_slowlog_rolling.layout.type = PatternLayout
+appender.index_indexing_slowlog_rolling.layout.pattern = [%d{ISO8601}][%-5p][%-25c] %marker%.10000m%n
+appender.index_indexing_slowlog_rolling.filePattern = ${sys:es.logs}_index_indexing_slowlog-%d{yyyy-MM-dd}.log
+appender.index_indexing_slowlog_rolling.policies.type = Policies
+appender.index_indexing_slowlog_rolling.policies.time.type = TimeBasedTriggeringPolicy
+appender.index_indexing_slowlog_rolling.policies.time.interval = 1
+appender.index_indexing_slowlog_rolling.policies.time.modulate = true
+
+logger.index_indexing_slowlog.name = index.indexing.slowlog.index
+logger.index_indexing_slowlog.level = trace
+logger.index_indexing_slowlog.appenderRef.index_indexing_slowlog_rolling.ref = index_indexing_slowlog_rolling
+logger.index_indexing_slowlog.additivity = false