The Non-I/O Page Latch wait type category includes all the waits that are associated with non-I/O page latch bottlenecks, including the following:

  • PAGELATCH_DT
  • PAGELATCH_EX
  • PAGELATCH_KP
  • PAGELATCH_NL
  • PAGELATCH_SH
  • PAGELATCH_UP


SQL Diagnostic Manager for SQL Server performance monitoring, alerting, and diagnostics for SQL Server.
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