Why is it recommended to avoid running master, data, and ingest roles all on the same Elasticsearch node in a large production cluster?

hard🧠 Conceptual Q10 of Q15

Elasticsearch - Cluster Management

AIt can cause resource contention and reduce cluster stability

BIt improves cluster performance by consolidating roles

CIt simplifies configuration and reduces network traffic

DIt prevents nodes from joining the cluster

Step-by-Step Solution

Solution:

Step 1: Understand resource demands of roles
Master, data, and ingest roles each require CPU, memory, and I/O resources.
Step 2: Analyze impact of combining roles
Running all roles on one node can cause resource contention, leading to instability and slower cluster operations.
Final Answer:
It can cause resource contention and reduce cluster stability -> Option A
Quick Check:
Combining roles risks resource conflicts and instability [OK]

Quick Trick: Separate roles on nodes to avoid resource conflicts [OK]

Common Mistakes:

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