What is the impact of LINQ on API latency in high-traffic systems?

LINQ can increase API latency due to query translation, execution overhead, and unnecessary data retrieval.

In high-traffic APIs, LINQ queries often determine response time. Inefficient LINQ patterns can lead to large data transfers, unoptimized SQL, or multiple database calls. Deferred execution may also delay detection of performance issues until runtime. Proper projection, filtering, and indexing are critical to minimize latency.