Setup Elastic Search on server, sample for cluster with 3 nodes

config.txt

# heap size
ES_HEAP_SIZE=30G

# max file descriptos
# https://www.elastic.co/guide/en/elasticsearch/reference/current/file-descriptors.html

# virtual memory
# https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
sysctl -w vm.max_map_count=262144

# swap
# https://www.elastic.co/guide/en/elasticsearch/guide/current/heap-sizing.html
# To disable it permanently, you’ll likely need to edit your /etc/fstab
sudo swapoff -a

# Add to last of /etc/securify/limits.conf
elastic soft memlock unlimited
elastic hard memlock unlimited

elasticsearch.yml

cluster.name: elasticsearch-sentiment
node.name: "master-23.160"

node.master: true
node.data: false
node.ingest: false

network.host: "192.168.23.160"
discovery.zen.ping.unicast.hosts: ["192.168.23.160", "192.168.23.161", "192.168.23.162"]
discovery.zen.minimum_master_nodes: 1

path.data: /storage/elastic/data
path.logs: /storage/elastic/logs

bootstrap.memory_lock: true
indices.fielddata.cache.size:  20%

setup-elasticsearch.sh

VERSION=${1:-2.4.1}

rm -rf elasticsearch*
wget https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/tar/elasticsearch/${VERSION}/elasticsearch-${VERSION}.tar.gz
tar -zxvf elasticsearch-*.tar.gz

[ -d data ] || mkdir data
[ -d logs ] || mkdir logs

elasticsearch-${VERSION}/bin/plugin install license
elasticsearch-${VERSION}/bin/plugin install mobz/elasticsearch-head
elasticsearch-${VERSION}/bin/plugin install royrusso/elasticsearch-HQ
elasticsearch-${VERSION}/bin/plugin install mavel-agent

start.sh

while :
do
  echo 'Starting elasticsearch...'
  export ES_JAVA_OPTS="-Djna.tmpdir=/data1/elastic/tmp -Xms12g -Xmx12g"

  /data1/elastic/elasticsearch-${1:-5.3.0}/bin/elasticsearch
  echo 'Elasticsearch stopped. Sleep 10s and restart...'
  sleep 10s
done