kafka_settings.conf

kafka {

  # common config
  schema.registry.url = "http://0.0.0.0:8081"
  bootstrap.servers = "0.0.0.0:9092"
  reconnect.backoff.ms = 50                 # default: 50
  retry.backoff.ms = 100                    # default: 100
  connections.max.idle.ms = 540000          # default: 540000
  metadata.max.age.ms = 300000              # default: 300000
  request.timeout.ms = 305000               # default: 30000 (producer) / 40000 (streams) / 305000 (consumer)

  # producer config
  acks = all                                # default: 1 [all, -1, 0, 1]
  buffer.memory = 33554432                  # default: 33554432
  retries = 0                               # default: 0
  batch.size = 16384                        # default: 16384
  linger.ms = 0                             # default: 0
  max.block.ms = 60000                      # default: 60000
  max.request.size = 1048576                # default: 1048576
  receive.buffer.bytes = 32768              # default: 32768
  max.in.flight.requests.per.connection = 5 # default: 5

  # consumer config
  heartbeat.interval.ms = 3000              # default: 3000
  max.partition.fetch.bytes = 1048576       # default: 1048576
  session.timeout.ms = 10000                # default: 10000
  auto.offset.reset = "earliest"            # default: latest
  fetch.max.bytes = 52428800                # default: 52428800
  max.poll.interval.ms = 300000             # default: 300000
  max.poll.records = 500                    # default: 500
  auto.commit.interval.ms = 5000            # default: 5000
  fetch.max.wait.ms = 100                   # default: 500

  # streams config
  replication.factor = 1                    # default: 1
  state.dir = "/tmp/kafka-streams"          # default: /tmp/kafka-streams
  buffered.records.per.partition = 1000     # default: 1000
  cache.max.bytes.buffering = 10485760      # default: 10485760
  commit.interval.ms = 30000                # default: 30000
  num.standby.replicas = 0                  # default: 0
  num.stream.threads = 64                   # default: 1
  poll.ms = 100                             # default: 100
  state.cleanup.delay.ms = 60000            # default: 60000

}