Frequently Asked Questions (FAQ) about Elasticsearch ❓
๐ Elasticsearch FAQ Guide
โ Q1: How does Elasticsearch differ from traditional relational databases?
๐ง Elasticsearch is optimized for search and analytics on large volumes of unstructured/schemaless data, offering:
- ๐ Powerful full-text search capabilities
- ๐ Distributed architecture
- โฑ๏ธ Near real-time analytics
๐ Q2: Can Elasticsearch replace my SQL database?
โ๏ธ It depends.
Elasticsearch excels at search and analytics but isn't designed for transactional operations typical of relational databases.
โก๏ธ Many systems integrate both for complementary functionality.
๐ Q3: What's the best way to scale Elasticsearch?
๐ฑ Horizontal scalingโadding more nodesโis most effective,
๐งฉ Coupled with strategic shard allocation and replication.
๐ Q4: Is Elasticsearch secure by default?
๐ซ No, security features must be enabled and configured appropriately,
especially in production environments.
๐พ Q5: How do I backup and restore Elasticsearch data?
๐ ๏ธ Use snapshot and restore APIs, storing backups in:
- ๐๏ธ Shared filesystems
- โ๏ธ Cloud storage solutions
โ Summary
This FAQ aims to clarify common concerns and guide best practices for deploying Elasticsearch.