skywalking-java/docs/en/Deploy-backend-in-cluster-mode.md

Required of third party softwares

• JDK 6+（instruments application can run in jdk6）
• JDK8 ( skywalking collector and skywalking webui )
• Elasticsearch 5.2.2 or 5.3, cluster mode or not
• Zookeeper 3.4.10

Download released version

• Go to released page

Deploy Elasticsearch server

• Modify elasticsearch.yml
  • Set cluster.name: CollectorDBCluster
  • Set node.name: anyname, this name can be any, it based on Elasticsearch.
  • Add the following configurations to

# The ip used for listening
network.host: 0.0.0.0
thread_pool.bulk.queue_size: 1000

• Start Elasticsearch

Deploy collector servers

1. Run tar -xvf skywalking-collector.tar.gz
2. Config collector in cluster mode.

Cluster mode depends on Zookeeper register and application discovery capabilities. So, you just need to adjust the IP config items in config/application.yml. Change IP and port configs of naming, remote, agent_gRPC, agent_jetty and ui, replace them to the real ip or hostname which you want to use for cluster.

• config/application.yml

cluster:
# The Zookeeper cluster for collector cluster management.
  zookeeper:
    hostPort: localhost:2181
    sessionTimeout: 100000
naming:
# Host and port used for agent config
  jetty:
    host: localhost
    port: 10800
    context_path: /
remote:
  gRPC:
    host: localhost
    port: 11800
agent_gRPC:
  gRPC:
    host: localhost
    port: 11800
agent_jetty:
  jetty:
    host: localhost
    port: 12800
    context_path: /
agent_stream:
  default:
    buffer_file_path: ../buffer/
    buffer_offset_max_file_size: 10M
    buffer_segment_max_file_size: 500M
ui:
  jetty:
    host: localhost
    port: 12800
    context_path: /
# Config Elasticsearch cluster connection info.
storage:
  elasticsearch:
    cluster_name: CollectorDBCluster
    cluster_transport_sniffer: true
    cluster_nodes: localhost:9300
    index_shards_number: 2
    index_replicas_number: 0
    ttl: 7

3. Run bin/startup.sh

• NOTICE: In 5.0.0-alpha, startup.sh will start two processes, collector and UI, and UI uses 127.0.0.1:10800 as default. Recommend use http proxy to access UI in product, otherwise, access any UI.