Understanding node services

When a node is running, a lot of services are managed by its instance. These services provide additional functionalities to a node and they cover different behaviors such as networking, indexing, analyzing and so on.

Getting ready

Every ElasticSearch server that is running provides services.

How it works...

ElasticSearch natively provides a large set of functionalities that can be extended with additional plugins.

During a node startup, a lot of required services are automatically started. The most important are:

  • Cluster services: These manage the cluster state, intra-node communication, and synchronization.
  • Indexing Service: This manages all indexing operations, initializing all active indices and shards.
  • Mapping Service

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