Elasticsearch - Basics and Architecture
After starting Elasticsearch, what is the expected output of running
curl http://localhost:9200/?After starting Elasticsearch, what is the expected output of running curl http://localhost:9200/?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the curl command purpose
The curl command requests the root URL of Elasticsearch, which returns JSON with node and cluster info.Step 2: Recognize the expected JSON response
The response includes keys like 'name', 'cluster_name', 'version', and 'tagline' confirming the service is running.Final Answer:
{"name":"your-node-name","cluster_name":"elasticsearch","version":{"number":"8.0.0"},"tagline":"You Know, for Search"} -> Option AQuick Check:
curl root URL returns JSON info [OK]
Quick Trick: curl localhost:9200 returns JSON if Elasticsearch runs [OK]
Common Mistakes:
MISTAKES- Expecting plain text instead of JSON
- Not starting Elasticsearch before curl
- Using wrong URL or port
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