SQL Server Wait Statistics History - mini DBA


Legacy Documentation

Desktop And Mini DBA Server

Legacy Documentation Home alerts analysisservicesalerts analysisservicescpu analysisservicesdashboard analysisservicesdatabases analysisservicesio analysisservicessessions azurealerts azuredatabase azuredatabasehealthcheck azureindexes azurelocks azure security azuresessions azuresql azuresqldatabase azuresqldatabasedashboard azuresqldatabases azure sql server dashboard azuretables azurewaits compare performance baseline connections cpu custom sql server alerts database database query performance databases defaulttrace dm exec query statistics xml documentation errorlog files gettingstarted healthcheck database healthcheck sql server history active history blocking history data storage history deadlocks history files history memory history viewer history waits howtoperformancetuneazuresqldatabase how to performance tune sql server how to sql server performance tuning how to sql server query tuning indexes Installation io License Support locks maintenance windows options performance history security server servergettingstarted Server Installation server memory serveroptions serversecurity servertroubleshooting sql database memory sql execution plan sql extended event sessions sql server activity sql server alert configuration sql server alerts sql server database sql server execution plan view sql server index defrag jobs sqlserverindexfragmentation sql server index fragmentation sql server index maintenance sql server live query statistics sqlserverqueryperformance sql server query performance sql server send slack alerts sql server send teams alerts sql server transaction log sql server wait statistics tables tranlog waits webmonitorconfigure webmonitorconnections webmonitorcurrent webmonitorcustom webmonitorenterprise webmonitorgettingstarted webmonitorhistoric webmonitorinstallation webmonitorio webmonitormemory webmonitoroptions webmonitoroverview webmonitorsecurity webmonitorwaits wmi
The waits tab of the history viewer display waits over the course of the selected timeframe.
The top half of the screen displays a graph and grid showing wait totals for every minute. The lower half of the screen shows a detailed break down of what waits were occuring at each minute.
SQL Server waits history

Clicking on the graph at a point of interest will highlight that particular sampled minute in the data grid below. The grid shows each wait type happening then, starting with the longest waits on the left.
Each grid row is clickable and will displayed a more detailed break down in the lower half of the screen. The grid in the bottom left displays an ordered list of wait types at the given minute. Clicking on a wait will show the wait type details in the bottom right of the screen.
SQL Server waits history
The "About" box will show you a description of the wait type. The lower section shows global wait statistics for the wait type across all sql servers sampled by Mini DBA. This enables you to compare your sql server against the rest of the world and help give an indication if this wait type is something to be concerned about.