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The Transaction Log Statistics report provides data about the database transaction log size and activity on a per-database basis. You can display your results in hours or days, depending on the sample range selected. Note that SQLdm SQL Diagnostic Manager displays the Cache Reads and Flushes chart types as data per second.
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You should run the Transaction Log Statistics report when attempting to troubleshoot performance problems related to transaction logs and to discover what triggered the Long Running Transaction alert, Log Full (Percent) or Log Full (Size) alert, or Log File Autogrow alert.
How
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SQL Diagnostic Manager calculates metric values on this report
Most values on the Transaction Log Statistics report correlate with the related SQL Server metric. However, some metric values represent averages over time. Likewise, a few metric values are based on performance algorithms that use multiple statistics to calculate a more accurate metric.
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