nodetool getseeds

Displays the seed node addresses.

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Synopsis

nodetool [connection_options] getseeds

Description

nodetool getseeds shows the currently configured seed nodes for this Cassandra node. Seed nodes are contact points used for cluster discovery and gossip bootstrapping.

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Examples

Basic Usage

nodetool getseeds

Sample Output

Current list of seed node IPs, excluding the current node's IP: 192.168.1.101, 192.168.1.102, 192.168.1.103

If this node is the only seed or no remote seeds are configured:

Current list of seed node IPs, excluding the current node's IP: (no remote seed IPs)

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Configuration

# cassandra.yaml
seed_provider:
  - class_name: org.apache.cassandra.locator.SimpleSeedProvider
    parameters:
      - seeds: "192.168.1.101,192.168.1.102,192.168.1.103"

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Use Cases

Verify Seed Configuration

nodetool getseeds

Troubleshoot Cluster Discovery

# Check seeds when node can't join cluster
nodetool getseeds

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Best Practices

Seed Node Guidelines

1. Multiple seeds - Configure 2-3 seeds per datacenter
2. Stable nodes - Choose reliable, long-running nodes
3. Not all nodes - Don't make every node a seed

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Related Commands

Command	Relationship
reloadseeds	Reload seed configuration
gossipinfo	View gossip state
status	Cluster overview