由于elasticsearch默认的jvm参数默认为2G，在虚拟机内存为1G所以启动时直接报内存不足错误
JVM arguments [-Xms2g, -Xmx2g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -Djdk.io.permissionsUseCanonicalPath=true, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Dlog4j.skipJansi=true, -XX:+HeapDumpOnOutOfMemoryError, -Des.path.home=/usr/share/elasticsearch]
在编写compose文件时指定Xmms大小解决这个问题
version: '2' services: elasticsearch: image: elasticsearch:5.6.11 environment: - cluster.name=elasticsearch - ES_JAVA_OPTS=-Xms512m -Xmx512m ports: - "9200:9200" kibana: image: kibana:5.6.11 environment: SERVER_NAME: kibana ELASTICSEARCH_URL: http://localhost:9200 ports: - "5601:5601"
docker run命令指定jvm参数 docker run --name esl2 -e ES_JAVA_OPTS="-Xms512m -Xmx512m" -p 9200:9200 -p 9300:9300 docker.io/elasticsearch:5.6.11
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