Here is the complete list of hub properties that is configurable.

#App Properties

app.environment=dev app.name=hub app.url= app.remoteTimeFile=/home/hub/remoteTime app.birthDay=2015/01/01 app.encrypted=false hub.protect.channels=true hub.read.only= app.stable_seconds=5 query.merge.max.wait.minutes=2 app.maxPayloadSizeMB=40 app.large.payload.MB=40 app.directionCountLimit=10000 hub.gcMinutes=60 hub.runGC=false app.minPostTimeMillis=5 app.maxPostTimeMillis=1000 query.merge.max.wait.minutes=2 app.runNtpMonitor=true app.shutdown_wait_seconds=180 app.shutdown_delay_seconds=60 cluster.location=local hub.type=aws http.connect.timeout.seconds=30 http.read.timeout.seconds=120 http.maxRetries=8 http.sleep=1000 http.bind_port=8080 logSlowTracesSeconds=10 traces.limit=50 LastContentPathTracing=channelToTrace

#AWS properties aws.credentials=hub_test_credentials.properties aws.protocol=HTTP aws.retry.delay.millis=100 aws.retry.max.delay.millis=20000 aws.retry.unknown.host.delay.millis=5000 aws.signing_region=us-east-1

#Datadog properties metrics.datadog.url=https://app.datadoghq.com/api/v1 metrics.data_dog.app_key= metrics.data_dog.api_key= metrics.dogstatsd.port=8125

#Dynamo properties dynamo.endpoint=dynamodb.us-east-1.amazonaws.com dynamo.table_creation_wait_minutes=10 dynamo.throughput.channel.read=100 dynamo.throughput.channel.write=10 dynamo.throughput.webhook.read=100 dynamo.throughput.webhook.write=10 dynamo.maxConnections=50 dynamo.connectionTimeout=10000 dynamo.socketTimeout=30000 dynamo.table_name.webhook_configs=hub-local-GroupConfig dynamo.table_name.channel_configs=hub-local-channelMetaData

#Spoke properties storage.path=/file spoke.enforceTTL=true spoke.write.factor=3 spoke.read.ttlMinutes= spoke.read.path= spoke.write.ttlMinutes= spoke.write.path=

#Spoke fallback properties spoke.ttlMinutes= spoke.path=

#Webhook properties webhook.callbackTimeoutSeconds.min=1 webhook.callbackTimeoutSeconds.max=1800 webhook.callbackTimeoutSeconds.default=120 webhook.connectTimeoutSeconds=60 webhook.readTimeoutSeconds=60 webhook.shutdown.threads=100

#Zookeeper properties zookeeper.connection=localhost:2181 zookeeper.baseSleepTimeMs=10 zookeeper.maxSleepTimeMs=10000 zookeeper.maxRetries=20 zookeeper.maxRetries=20

#Tick Properties metrics.influxdb.host=localhost metrics.influxdb.port=8086 metrics.statsd.port=8124 metrics.influxdb.protocol=http metrics.influxdb.database.name=hub_tick metrics.influxdb.database.password= metrics.influxdb.database.user= metrics.enable=false metrics.seconds=15 metrics.tags.role=hub metrics.tags.team=development

#S3 Properties s3.environment=local s3.endpoint=s3-external-1.amazonaws.com s3.bucket_name=hub-local s3.maxRules=defaultValue s3.pathStyleAccessEnable=false s3.disableChunkedEncoding=false s3.writeQueueSize=40000 s3.writeQueueThreads=20 s3.maxConnections=50 s3.connectionTimeout=10 * 1000 s3.socketTimeout=30 * 1000 s3Verifier.run=true s3.maxQueryItems=1000 s3Verifier.baseTimeoutMinutes=2 s3Verifier.offsetMinutes=15 s3Verifier.channelThreads=3 channel.enforceTTL=false s3.large.threads=3 s3.maxChunkMB=40