elasticsearch.service

[Unit]
Wants=network-online.target
After=network-online.target
Documentation=https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html

# Based on ES v6.4
# https://github.com/elastic/elasticsearch/blob/6.4/distribution/packages/src/common/systemd/elasticsearch.service

[Service]
Type=simple
User=gio

Environment=ES_HOME=/home/gio/Documents/_applications/elasticsearch-6.4.3
Environment=CONF_DIR=/home/gio/Documents/_applications/elasticsearch-6.4.3/config
Environment=CONF_FILE=/home/gio/Documents/_applications/elasticsearch-6.4.3/config/elasticsearch.yml
Environment=DATA_DIR=/home/gio/Documents/_applications/elasticsearch-6.4.3/data
Environment=LOG_DIR=/home/gio/Documents/_applications/elasticsearch-6.4.3/logs
Environment=PID_DIR=/home/gio/Documents/_applications/elasticsearch-6.4.3/pid
#EnvironmentFile=-/home/gio/Documents/_applications/elasticsearch-6.4.3

WorkingDirectory=/home/gio/Documents/_applications/elasticsearch-6.4.3

# for older version???
#ExecStart=/home/gio/Documents/_applications/elasticsearch-6.4.3/bin/elasticsearch \
#                                                -Des.pidfile=$PID_DIR/elasticsearch.pid \
#                                                -Des.default.path.home=$ES_HOME \
#                                                -Des.default.path.logs=$LOG_DIR \
#                                                -Des.default.path.data=$DATA_DIR \
#                                                -Des.default.config=$CONF_FILE \
#                                                -Des.default.path.conf=$CONF_DIR

ExecStart=/home/gio/Documents/_applications/elasticsearch-6.4.3/bin/elasticsearch -p ${PID_DIR}/elasticsearch.pid --quiet
#ExecStart=/home/gio/Documents/_applications/elasticsearch-6.4.3/bin/elasticsearch /home/gio/Documents/_applications/elasticsearch-6.4.3/config/elasticsearch.yml -p ${PID_DIR}/elasticsearch.pid --quiet
#ExecStop=/home/gio/Documents/_applications/elasticsearch-6.4.3/bin/elasticsearch
Restart=on-abnormal

# StandardOutput is configured to redirect to journalctl since
# some error messages may be logged in standard output before
# elasticsearch logging system is initialized. Elasticsearch
# stores its logs in /var/log/elasticsearch and does not use
# journalctl by default. If you also want to enable journalctl
# logging, you can simply remove the "quiet" option from ExecStart.
#StandardOutput=journal
#StandardError=inherit

# Specifies the maximum file descriptor number that can be opened by this process
LimitNOFILE=65536

# Specifies the maximum number of processes
LimitNPROC=4096

# Specifies the maximum size of virtual memory
LimitAS=infinity

# Specifies the maximum file size
LimitFSIZE=infinity

# Disable timeout logic and wait until process is stopped
TimeoutStopSec=0

# SIGTERM signal is used to stop the Java process
KillSignal=SIGTERM

# Send the signal only to the JVM rather than its control group
KillMode=process

# Java process is never killed
SendSIGKILL=no

# When a JVM receives a SIGTERM signal it exits with code 143
SuccessExitStatus=143

[Install]
WantedBy=multi-user.target