| Variable | NODE_ROLES | |
| Description | Selects roles for node | |
| Default | all | |
Select roles for node.
Supported values for the node are:
allNode has all roles and can perform any function within the cluster.
Node receives data for ingest and parsers the data into events.
Handles all sorts of HTTP request, including those of the ingest node.
A more detailed comparison is available in Cluster Nodes.
Digest and
Storage nodes
within a cluster use the all designation but are
configured using Digest Rules and
Storage Rules respectively.
Node roles are not combinable; one of the available options must be chosen.
ini
NODE_ROLES=all
QUERY_COORDINATOR=true
ENABLE_QUERY_LOAD_BALANCING=trueNode Role Feature Matrix
| Features for NODE_ROLES | all | httponly | ingestonly |
|---|---|---|---|
| Accept ingest request on HTTP | Yes | Yes | Yes |
| Accept ingest request on TCP/UDP | Yes | Yes | Yes |
| Accept full set of HTTP API requests | Yes | Yes | No |
| Accept file uploads | Yes | Yes | No |
| Can coordinate queries | Yes | Yes | No |
| Can coordinate alerts | Yes | Yes | No |
| Visible in cluster management UI | Yes | Yes | No |
| Requires significant local storage | Yes | No | No |
| Can store segment files (events) | Yes | No | No |
| Can upload segment files to bucket | Yes | No | No |
| Executes queries on events | Yes | No | No |
| Can be considered stateless | No | No | Yes |