/etc/sysconfig/elasticsearch

# Directory where the Elasticsearch binary distribution resides
ES_HOME=/usr/share/elasticsearch

# Heap Size (defaults to 256m min, 1g max)
#ES_HEAP_SIZE=2g

# Heap new generation
#ES_HEAP_NEWSIZE=

# max direct memory
#ES_DIRECT_SIZE=

# Additional Java OPTS
#ES_JAVA_OPTS=

# Maximum number of open files
MAX_OPEN_FILES=65535

# Maximum amount of locked memory
#MAX_LOCKED_MEMORY=

# Maximum number of VMA (Virtual Memory Areas) a process can own
MAX_MAP_COUNT=262144

# Elasticsearch log directory
LOG_DIR=/var/log/elasticsearch

# Elasticsearch data directory
DATA_DIR=/var/lib/elasticsearch

# Elasticsearch work directory
WORK_DIR=/tmp/elasticsearch

# Elasticsearch conf directory
CONF_DIR=/etc/elasticsearch

# Elasticsearch configuration file (elasticsearch.yml)
CONF_FILE=/etc/elasticsearch/elasticsearch.yml

# User to run as, change this to a specific elasticsearch user if possible
# Also make sure, this user can write into the log directories in case you change them
# This setting only works for the init script, but has to be configured separately for systemd startup
ES_USER=elasticsearch

# Configure restart on package upgrade (true, every other setting will lead to not restarting)
#RESTART_ON_UPGRADE=true