Opensearch & Dashboard

Shenzhen, China

Setup

Setup

Run the Docker-Compose file for a single Opensearch node + Dashboard cluster:

version: '3'
services:
  opensearch-node1:
    image: opensearchproject/opensearch:latest
    container_name: opensearch-node1
    environment:
      - cluster.name=opensearch-cluster
      - node.name=opensearch-node1
      - discovery.seed_hosts=opensearch-node1
      - cluster.initial_cluster_manager_nodes=opensearch-node1
      - bootstrap.memory_lock=true # along with the memlock settings below, disables swapping
      - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m" # minimum and maximum Java heap size, recommend setting both to 50% of system RAM
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65536 # maximum number of open files for the OpenSearch user, set to at least 65536 on modern systems
        hard: 65536
    volumes:
      - opensearch-data1:/usr/share/opensearch/data
    ports:
      - 9200:9200
      - 9600:9600 # required for Performance Analyzer
    networks:
      - opensearch-net
  opensearch-dashboards:
    image: opensearchproject/opensearch-dashboards:latest
    container_name: opensearch-dashboards
    ports:
      - 5601:5601
    expose:
      - "5601"
    environment:
      OPENSEARCH_HOSTS: '["https://opensearch-node1:9200"]'
    networks:
      - opensearch-net

volumes:
  opensearch-data1:
  opensearch-data2:

networks:
  opensearch-net:

docker-compose up

ERROR message: Virtual memory is too low:

opensearch-node1         | ERROR: [1] bootstrap checks failed
opensearch-node1         | [1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
opensearch-node1         | ERROR: OpenSearch did not exit normally - check the logs at /usr/share/opensearch/logs/opensearch-cluster.log
opensearch-node1         | Killing performance analyzer process 103
opensearch-node1         | OpenSearch exited with code 78
opensearch-node1         | Performance analyzer exited with code 143
opensearch-node1 exited with code 0

Increase the virtual memory for Elasticsearch on the host machine by running this command:

sudo sysctl -w vm.max_map_count=262144

and then restart your docker-containers and login with admin/admin on http://localhost:5601/app/home:

Opensearch

Setup​

Setup