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Diffstat (limited to 'kubernetes/aai/components/aai-elasticsearch/resources/config/jvm.options')
-rw-r--r-- | kubernetes/aai/components/aai-elasticsearch/resources/config/jvm.options | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/kubernetes/aai/components/aai-elasticsearch/resources/config/jvm.options b/kubernetes/aai/components/aai-elasticsearch/resources/config/jvm.options new file mode 100644 index 0000000000..e69d7983c0 --- /dev/null +++ b/kubernetes/aai/components/aai-elasticsearch/resources/config/jvm.options @@ -0,0 +1,117 @@ +# Copyright © 2018 Amdocs, AT&T, Bell Canada +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +## 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 + +-Xms1g +-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 +-XX:+UseConcMarkSweepGC +-XX:CMSInitiatingOccupancyFraction=75 +-XX:+UseCMSInitiatingOccupancyOnly + +## optimizations + +# pre-touch memory pages used by the JVM during initialization +-XX:+AlwaysPreTouch + +## basic + +# force the server VM +-server + +# explicitly set the stack size +-Xss1m + +# 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 + +# turn off a JDK optimization that throws away stack traces for common +# exceptions because stack traces are important for debugging +-XX:-OmitStackTraceInFastThrow + +# flags to configure Netty +-Dio.netty.noUnsafe=true +-Dio.netty.noKeySetOptimization=true +-Dio.netty.recycler.maxCapacityPerThread=0 + +# log4j 2 +-Dlog4j.shutdownHookEnabled=false +-Dlog4j2.disable.jmx=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} + +# By default, the GC log file will not rotate. +# By uncommenting the lines below, the GC log file +# will be rotated every 128MB at most 32 times. +#-XX:+UseGCLogFileRotation +#-XX:NumberOfGCLogFiles=32 +#-XX:GCLogFileSize=128M |