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Solving the Latch Convoy Problem with OPTIMIZE_FOR_SEQUENTIAL_KEY in SQL Server 2019 - Eitan Blumin's blog
Have you ever come across an elusive SQL Server issue known as the "Latch Convoy Problem" or "Last Page Insert Contention"? It's a rare and challenging problem to encounter in real-world scenarios. In fact, it's so uncommon that many database professionals may go their entire careers without experiencing it firsthand. But sometimes, the unexpected happens, and you find yourself face to face with this elusive beast.
Eitan Blumin