SugarCRM 7.6+ Elasticsearch production settings

elasticsearch.yml

# Use max half of available memory of the system as HEAP size
# and avoid using more than 32 GB - see http://goo.gl/ci3VLi

# Recommended - see http://goo.gl/yXvzXo
bootstrap.mlockall: true

# Avoid rogue nodes joining the cluster
discovery.zen.ping.multicast.enabled: false

# For multi node setup using unicast to define the list of nodes
# to form the cluster, see http://goo.gl/UAyrrk
# discovery.zen.ping.unicast.hosts: ["1.1.1.1:9300", "2.2.2.2:9300"]

# SugarCRM fully controls the mapping, to avoid any issues we don't
# want Elasticsearch to dynamically create mappings. Note that this
# may have unexpected results if other application than SugarCRM are
# using the Elasticsearch cluster.
index.mapper.dynamic: false

# SugarCRM fully controls the indices, we don't want Elasticsearch to
# create them for us in case data is being send to Elasticsearch before
# the indices/mappings are deployed.
action.auto_create_index : false

# Precaution disabling wildcards and _all notation for destructive operations.
action.destructive_requires_name : true

# Important when performing URL based ACL between SugarCRM and Elasticsearch.
# Doesn't harm to use this setting without such an additional layer.
rest.action.multi.allow_explicit_index: false

# Not really required when Elasticsearch is properly shielded from the outside
# world. Dynamic scripting is currently not used by SugarCRM and probably wont
# be in the near future.
script.disable_dynamic: true

# Disabled by default since 1.3.0
http.jsonp.enable: false