sudo rpm --install elasticsearch-6.6.0.rpmsudo chkconfig --add elasticsearch
/etc/elasticsearch/elasticsearch.yml
/etc/sysconfig/elasticsearch
#SysV init
/etc/elasticsearch/jvm.options
#Xmx <= 32G
sed -n '/^#/!p' /etc/elasticsearch/elasticsearch.yml####cluster.name: crs2-esnode.name: ${HOSTNAME}path.data: /data3/elasticsearch/datapath.logs: /data3/elasticsearch/logbootstrap.system_call_filter: false #set to false as SecComp fails on CentOS 6bootstrap.memory_lock: truenetwork.host: [10.0.0.1, 127.0.0.1]http.port: 9200discovery.zen.ping.unicast.hosts: ["10.0.0.1", "10.0.0.2", "10.0.0.3"]#########################################sed -n '/^#/!p' /etc/sysconfig/elasticsearch####JAVA_HOME=/opt/apps/java/jdk1.8.0_171ES_PATH_CONF=/etc/elasticsearchES_STARTUP_SLEEP_TIME=5MAX_LOCKED_MEMORY=unlimited#########################################sed -n '/^#/!p' /etc/elasticsearch/jvm.options |egrep Xm[sx]####-Xms24g-Xmx24g
mkdir -p /data3/elasticsearch/{data,log}chmod -R 775 /data3/elasticsearch/chown elasticsearch:elasticsearch /data3/elasticsearch/{data,log}
sudo -i service elasticsearch start
curl -XGET 'localhost:9200/_cluster/state?pretty'