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Home > Success Center > Database Performance Analyzer (DPA) > DPA - Knowledgebase Articles > Calculate SQL Disk Write latency

Calculate SQL Disk Write latency

Table of contents

Updated March 30, 2017

Overview

This article overviews how SQL Disk Write Latency is calculated in DPA.

Environment

All DPA versions  

Detail

This is queried from from the dm_io_virtual_file_stats DMV for these metrics.

This metric is a delta, so a calculation is done to determine this value.

 

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