PAGELATCH_EX Wait Type

With the PAGELATCH_EX wait type the EX implies that it is an exclusive lock, while the page is waiting to access a data page in memory, as opposed to one that is being read from disk.

Can be associated with the rate of inserts into a table. Common when working with a clustered index on an increasing value like IDENTITY or a datetime.

See also

• PAGELATCH_SH
• PAGELATCH_UP
• PAGELATCH_EX

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