Elasticsearch - Cluster Management
Given a node configured with node.roles: ["master", "data"], what roles does this node perform?
Given a node configured with node.roles: ["master", "data"], what roles does this node perform?
medium📝 Predict Output Q4 of Q15
Step-by-Step Solution
Solution:
Step 1: Analyze node.roles list
The list includes both "master" and "data", so the node performs both roles.Step 2: Confirm role combination
Elasticsearch allows nodes to have multiple roles simultaneously.Final Answer:
Both master and data node roles -> Option CQuick Check:
Multiple roles in list = combined roles [OK]
Quick Trick: List multiple roles to combine node functions [OK]
Common Mistakes:
MISTAKES- Assuming only one role per node
- Ignoring multiple roles in configuration
Master "Cluster Management" in Elasticsearch
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