#
# Licensed to the Apache Software Foundation (ASF) under one
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# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#

# Extensions specified in the load list will be loaded by Druid
# We are using local fs for deep storage - not recommended for production - use S3, HDFS, or NFS instead
# We are using local derby for the metadata store - not recommended for production - use MySQL or Postgres instead

# If you specify `druid.extensions.loadList=[]`, Druid won't load any extension from file system.
# If you don't specify `druid.extensions.loadList`, Druid will load all the extensions under root extension directory.
# More info: https://druid.apache.org/docs/latest/operations/including-extensions.html
druid.extensions.loadList=["druid-hdfs-storage", "druid-kafka-indexing-service", "druid-datasketches", "druid-multi-stage-query","mysql-metadata-storage","druid-hlld", "druid-hdrhistogram"]

# If you have a different version of Hadoop, place your Hadoop client jar files in your hadoop-dependencies directory
# and uncomment the line below to point to your directory.
#druid.extensions.hadoopDependenciesDir=/my/dir/hadoop-dependencies


#
# Hostname
#
druid.host={{ inventory_hostname }}

#
# Logging
#

# Log all runtime properties on startup. Disable to avoid logging properties on startup:
druid.startup.logging.logProperties=true

#
# Zookeeper
#

druid.zk.service.host={{ druid.common['druid.zk.service.host'] }}

druid.zk.paths.base=/druid

#
# Metadata storage
#

# For Derby server on your Druid Coordinator (only viable in a cluster with a single Coordinator, no fail-over):
#druid.metadata.storage.type=derby
#druid.metadata.storage.connector.connectURI=jdbc:derby://localhost:1527/var/druid/metadata.db;create=true
#druid.metadata.storage.connector.host=localhost
#druid.metadata.storage.connector.port=1527

# For MySQL (make sure to include the MySQL JDBC driver on the classpath):
druid.metadata.storage.type=mysql
druid.metadata.storage.connector.connectURI={{ druid.common['druid.metadata.storage.connector.connectURI'] }}
druid.metadata.storage.connector.user=root
druid.metadata.storage.connector.password={{ druid.common['druid.metadata.storage.connector.password'] }}

# For PostgreSQL:
#druid.metadata.storage.type=postgresql
#druid.metadata.storage.connector.connectURI=jdbc:postgresql://db.example.com:5432/druid
#druid.metadata.storage.connector.user=...
#druid.metadata.storage.connector.password=...

#
# Deep storage
#

# For local disk (only viable in a cluster if this is a network mount):
{% if groups.druid | length == 1 %}
druid.storage.type=local
druid.storage.storageDirectory=var/druid/segments
{% elif groups.druid | length >= 3 %}
# For HDFS:
druid.storage.type=hdfs
druid.storage.storageDirectory=/druid/segments
{% endif %}

# For S3:
#druid.storage.type=s3
#druid.storage.bucket=your-bucket
#druid.storage.baseKey=druid/segments
#druid.s3.accessKey=...
#druid.s3.secretKey=...

#
# Indexing service logs
#

# For local disk (only viable in a cluster if this is a network mount):
{% if groups.druid | length == 1 %}
druid.indexer.logs.type=file
druid.indexer.logs.directory=var/druid/indexing-logs
{% elif groups.druid | length >= 3 %}
# For HDFS:
druid.indexer.logs.type=hdfs
druid.indexer.logs.directory=/druid/indexing-logs
{% endif %}

druid.indexer.logs.kill.enabled=true
druid.indexer.logs.kill.durationToRetain=604800000
druid.indexer.logs.kill.delay=21600000

# For S3:
#druid.indexer.logs.type=s3
#druid.indexer.logs.s3Bucket=your-bucket
#druid.indexer.logs.s3Prefix=druid/indexing-logs


#
# Service discovery
#

druid.selectors.indexing.serviceName=druid/overlord
druid.selectors.coordinator.serviceName=druid/coordinator

#
# Monitoring
#

druid.monitoring.monitors=["org.apache.druid.java.util.metrics.JvmMonitor"]
druid.emitter=http
druid.emitter.logging.logLevel=info
druid.emitter.http.recipientBaseUrl=http://{{ inventory_hostname }}:9903

# Storage type of double columns
# ommiting this will lead to index double as float at the storage layer

druid.indexing.doubleStorage=double

#
# Security
#
druid.server.hiddenProperties=["druid.s3.accessKey","druid.s3.secretKey","druid.metadata.storage.connector.password", "password", "key", "token", "pwd"]


#
# SQL
#
druid.sql.enable=true

#
# Lookups
#
druid.lookup.enableLookupSyncOnStartup=false

# Planning SQL query when there is aggregate distinct in the statement
druid.sql.planner.useGroupingSetForExactDistinct=true

# Expression processing config
druid.expressions.useStrictBooleans=true

# Http client
druid.global.http.eagerInitialization=false

#Set to false to store and query data in SQL compatible mode. When set to true (legacy mode), null values will be stored as '' for string columns and 0 for numeric columns.	
druid.generic.useDefaultValueForNull=false