Elasticsearch - Performance and Scaling
Given an index with 5 primary shards and each shard sized at 20GB, what is the total data size stored in the index?
Given an index with 5 primary shards and each shard sized at 20GB, what is the total data size stored in the index?
medium📝 Predict Output Q13 of Q15
Step-by-Step Solution
Solution:
Step 1: Calculate total size from shards
Total size = number of shards x size per shard = 5 x 20GB = 100GB.Step 2: Confirm no replicas included
Replicas add copies but do not affect primary data size calculation here.Final Answer:
100GB -> Option BQuick Check:
5 shards x 20GB = 100GB [OK]
Quick Trick: Multiply shards by shard size [OK]
Common Mistakes:
MISTAKES- Adding replica size to primary data size
- Confusing shard count with replica count
- Choosing shard size instead of total
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