Answer
Reduce document size, avoid unnecessary indexes, use targeted updates, limit large arrays, and distribute writes evenly with good shard keys.
Quick Answer
Prevent write amplification: minimize index count (each index is written on every document insert/update), use bulk writes, avoid small frequent updates (batch them), use append-only patterns where possible, size WiredTiger cache appropriately so writes don't immediately evict hot data, and use compression to reduce physical write size. Monitor with serverStatus().wiredTiger for cache and I/O metrics.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ