How does Elasticsearch support real-time search and indexing?
a) By using a single thread for indexing
b) By indexing documents in near real-time and making them searchable as soon as possible
c) By storing indexes in-memory only
d) By using distributed databases for indexing
Answer:
b) By indexing documents in near real-time and making them searchable as soon as possible
Explanation:
Elasticsearch supports near real-time indexing, meaning documents are made searchable almost immediately after they are indexed, providing fast search results.