历史节点的配置
druid.service=druid/historical
druid.port=8083
HTTP server threads
druid.server.http.numThreads=100
Processing threads and buffers
druid.processing.buffer.sizeBytes=1073741824
druid.query.groupBy.maxOnDiskStorage=4294967296
druid.processing.numMergeBuffers=16
druid.processing.numThreads=60
druid.processing.tmpDir=var/druid/processing
Segment storage
druid.segmentCache.locations=[{"path":"/data0/var/druid/segment-cache","maxSize":11000000000000},{"path":"/data1/var/druid/segment-cache","maxSize":11000000000000},{"path":"/data2/var/druid/segment-cache","maxSize":11000000000000},{"path":"/data3/var/druid/segment-cache","maxSize":11000000000000},{"path":"/data4/var/druid/segment-cache","maxSize":11000000000000},{"path":"/data5/var/druid/segment-cache","maxSize":11000000000000},{"path":"/data6/var/druid/segment-cache","maxSize":11000000000000},{"path":"/data7/var/druid/segment-cache","maxSize":11000000000000}]
druid.server.maxSize=88000000000000
Query cache
druid.historical.cache.useCache=true
druid.historical.cache.populateCache=true
druid.cache.type=caffeine
druid.cache.sizeInBytes=40000000000
druid.server.tier=tier_1
历史节点的内存配置：
-server
-Xms120g
-Xmx120g
-XX:MaxDirectMemorySize=120g
-XX:+PrintGCDetails
-Xloggc:var/sv/gchistorical.log
-XX:+PrintGCDateStamps
-Duser.timezone=UTC+0800
-Dfile.encoding=UTF-8
-Djava.io.tmpdir=var/tmp
-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager
broker的配置：
druid.service=druid/broker
druid.port=8082
HTTP server threads
druid.broker.http.numConnections=80
druid.server.http.numThreads=200
druid.broker.http.readTimeout=PT1M
druid.server.http.defaultQueryTimeout=60000
Processing threads and buffers
druid.processing.buffer.sizeBytes=1
druid.processing.numMergeBuffers=4
druid.processing.numThreads=15
druid.processing.tmpDir=var/druid/processing
druid.server.http.maxScatterGatherBytes=6000000000
Query cache disabled -- push down caching and merging instead
druid.cache.type=redis
druid.broker.cache.useCache=true
druid.broker.cache.populateCache=true
druid.cache.sizeInBytes=60000000000
Query cache --- redis cache
druid.cache.host=
druid.cache.password=
druid.cache.port=6379
SQL
druid.sql.enable=true
druid.extensions.loadList=["druid-caffeine-cache", "druid-hdfs-storage", "mysql-metadata-storage", "druid-datasketches", "druid-histogram", "druid-kerberos", "materialized-view-selection"]
broker节点的内存配置：
-server
-Xms230g
-Xmx230g
-XX:NewSize=40g
-XX:MaxNewSize=40g
-XX:MaxDirectMemorySize=10g
-XX:+PrintGCDetails
-Xloggc:var/sv/gcbroker.log
-XX:+PrintGCDateStamps
-Duser.timezone=UTC+0800
-Dfile.encoding=UTF-8
-Djava.io.tmpdir=var/tmp
-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager
middle节点：
druid.service=druid/middlemanager
druid.port=8091
Number of tasks per middleManager
druid.worker.capacity=20
Task launch parameters
druid.indexer.runner.javaOpts=-server -Xmx6g -XX:MaxDirectMemorySize=12g -XX:+UseG1GC -XX:MaxGCPauseMillis=100 -Duser.timezone=GMT+8 -Dfile.encoding=UTF-8 -Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager -Dhdp.version=2.6.1.0-129 -Dhadoop.mapred.job.queue.name=olap
druid.indexer.task.baseTaskDir=var/druid/task
druid.indexer.task.restoreTasksOnRestart=true
HTTP server threads
druid.server.http.numThreads=50
Processing threads and buffers
druid.processing.buffer.sizeBytes=100000000
druid.processing.buffer.sizeBytes=1073741824
druid.processing.numMergeBuffers=2
druid.indexer.fork.property.druid.processing.buffer.sizeBytes=268435456
druid.indexer.fork.property.druid.query.groupBy.maxOnDiskStorage=4294967296
druid.indexer.fork.property.druid.processing.numThreads=6
druid.processing.numThreads=15
druid.processing.tmpDir=var/druid/processing
Hadoop indexing
druid.indexer.task.hadoopWorkingPath=var/druid/hadoop-tmp
druid.indexer.task.defaultHadoopCoordinates=["org.apache.hadoop:hadoop-client:2.7.3"]
~
middle节点的内存配置：
-server
-Xms256m
-Xmx256m
-Duser.timezone=UTC+0800
-Dfile.encoding=UTF-8
-Djava.io.tmpdir=var/tmp
-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager
协调节点：
druid.service=druid/coordinator
druid.port=8081
druid.coordinator.startDelay=PT90S
druid.coordinator.period=PT10S
druid.coordinator.balancer.strategy=cachingCost
协调节点的内存配置
-server
-Xms60g
-Xmx90g
-XX:+UseG1GC -XX:MaxGCPauseMillis=200 -XX:ParallelGCThreads=16 -XX:ConcGCThreads=4 -XX:InitiatingHeapOccupancyPercent=45 -XX:G1ReservePercent=25 -XX:-OmitStackTraceInFastThrow
-Duser.timezone=UTC+0800
-Dfile.encoding=UTF-8
-XX:+PrintGCDetails
-Xloggc:var/sv/gccoor.log
-XX:+PrintGCDateStamps
-Djava.io.tmpdir=var/tmp
-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager
-Dderby.stream.error.file=var/druid/derby.log
overlrod节点：
druid.service=druid/overlord
druid.port=8090
druid.indexer.queue.startDelay=PT30S
druid.indexer.runner.type=remote
druid.indexer.storage.type=metadata
druid.indexer.runner.maxZnodeBytes=1048576
-server
-Xms12g
-Xmx20g
-Duser.timezone=UTC+0800
-Dfile.encoding=UTF-8
-XX:+PrintGCDetails
-Xloggc:var/sv/gcover.log
-XX:+PrintGCDateStamps
-Djava.io.tmpdir=var/tmp
-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager
启动脚本：
[Unit]
Description=Imply-historical
Documentation=https://imply.io
Wants=network-online.target
After=network-online.target
[Service]
Environment=IMPLY_HOME=/usr/local/imply-2.7.8
Environment=CONF_DIR=/usr/local/imply-2.7.8/conf
Environment=VAR_DIR=/usr/local/imply-2.7.8/var
#EnvironmentFile=-/etc/sysconfig/imply
WorkingDirectory=/usr/local/imply-2.7.8
#User=imply
#Group=imply
#ExecStartPre=
ExecStart=/usr/local/imply-2.7.8/bin/supervise -c conf/supervise/coordinator-overlord.conf
# StandardOutput is configured to redirect to journalctl since
# some error messages may be logged in standard output before
# imply logging system is initialized. Imply-historical
# stores its logs in /var/log/imply 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=655350
# Specifies the maximum number of processes
LimitNPROC=655350
# Specifies the maximum size of virtual memory
LimitMEMLOCK=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
