Environment Variables

Listed in this page are all environment variables needed to run Logstash.

Variable Name	Type	Relevance	Required	Default
LOGSTASH_INSTANCES	Number	Number of service replicas	No	1
LOGSTASH_DEV_MOUNT	Boolean	DEV mount mode enabling flag	No	false
LOGSTASH_PACKAGE_PATH	String	Logstash package absolute path	yes if LOGSTASH_DEV_MOUNT is true
LS_JAVA_OPTS	String	JVM heap size, it should be no less than 4GB and no more than 8GB (maximum of 50-75% of total RAM)	No	-Xmx2g -Xms2g
ES_ELASTIC	String	ElasticSearch Logstash user password	Yes	dev_password_only
ES_HOSTS	String	Elasticsearch connection string	Yes	analytics-datastore-elastic-search:9200
KIBANA_SSL	Boolean	SSL protocol requirement	No	True
LOGSTASH_MEMORY_LIMIT	String	RAM usage limit	No	3G
LOGSTASH_MEMORY_RESERVE	String	Reserved RAM	No	500M