middleManager_runtime.properties

druid.service=druid/middlemanager
druid.port=8091

# Number of tasks per middleManager
druid.worker.capacity=10

# Task launch parameters
druid.indexer.runner.javaOpts=-server -Xms512m -Xmx512m -XX:MaxDirectMemorySize=1g -Duser.timezone=UTC -Dfile.encoding=UTF-8 -Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager
druid.indexer.task.baseTaskDir=var/druid/task
druid.indexer.task.restoreTasksOnRestart=true

# HTTP server threads
druid.server.http.numThreads=12

# Processing threads and buffers
druid.processing.buffer.sizeBytes=50000000
druid.processing.numMergeBuffers=2
druid.processing.numThreads=1
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"]