Answer
A hotspot occurs when many concurrent operations target the same physical index location.
This causes locking and contention, reducing performance.
Quick Answer
A hotspot is a single index page that many concurrent inserts target at the same time — typically the last page of a sequential (identity-based) clustered index. All writers compete for the same page latch, causing contention and blocking. Solutions: GUID keys, partitioning, or using a non-sequential key.
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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