thingsboard/msa/js-executor/config/default.yml

#
# Copyright © 2016-2025 The Thingsboard Authors
#
# Licensed 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.
#

queue_type: "kafka"
request_topic: "js_eval.requests"
queue_prefix: ""
http_port: "8888" # /livenessProbe

js:
  response_poll_interval: "25"
  max_result_size: "300000"

kafka:
  bootstrap:
    # Kafka Bootstrap Servers
    servers: "localhost:9092"
  replication_factor: "1"
  acks: "1" # -1 = all; 0 = no acknowledgments; 1 = only waits for the leader to acknowledge
  batch_size: "128" # for producer
  linger_ms: "5" # for producer
  partitions_consumed_concurrently: "1" # (EXPERIMENTAL) increase this value if you are planning to handle more than one partition (scale up, scale down) - this will decrease the latency
  requestTimeout: "30000" # The default value in kafkajs is: 30000
  connectionTimeout: "1000" # The default value in kafkajs is: 1000
  compression: "none" # gzip or uncompressed
  topic_properties: "retention.ms:604800000;segment.bytes:52428800;retention.bytes:104857600;partitions:100;min.insync.replicas:1"
  use_confluent_cloud: false
  client_id: "kafkajs" #inject pod name to easy identify the client using /opt/kafka/bin/kafka-consumer-groups.sh
  ssl:
    enabled: false
  confluent:
    sasl:
      mechanism: "PLAIN"

logger:
  level: "info"
  path: "logs"
  filename: "tb-js-executor-%DATE%.log"

script:
  use_sandbox: "true"
  memory_usage_trace_frequency: "1000"
  script_body_trace_frequency: "10000"
  stat_print_frequency: "10000"
  max_active_scripts: "1000"
  slow_query_log_ms: "5.000000" #millis
  slow_query_log_body: "false"