What is a shard in Elasticsearch?

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Tags

1. #primary
2. #multiple
3. #known
4. #default
5. #across
6. #elements
7. #distributed
8. #nodes
9. #elasticsearch
10. #search
11. #replica
12. #shards
13. #shard
14. #creates
15. #split
16. #engine
17. #because
18. #index
19. #usually