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Clear-DbaLatchStatistics.html
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<h1 id="clear-dbalatchstatistics">Clear-DbaLatchStatistics</h1>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Author</strong></td>
<td>Patrick Flynn (@sqllensman)</td>
</tr>
<tr>
<td><strong>Availability</strong></td>
<td>Windows, Linux, macOS</td>
</tr>
</tbody>
</table>
<p> </p>
<p>Want to see the source code for this command? Check out <a href="https://github.com/dataplat/dbatools/blob/master/public/Clear-DbaLatchStatistics.ps1">Clear-DbaLatchStatistics</a> on GitHub.
<br>
Want to see the Bill Of Health for this command? Check out <a href="https://dataplat.github.io/boh#Clear-DbaLatchStatistics">Clear-DbaLatchStatistics</a>.</p>
<h2 id="synopsis">Synopsis</h2>
<p>Clears Latch Statistics</p>
<h2 id="description">Description</h2>
<p>Reset the aggregated statistics - basically just executes DBCC SQLPERF (N'sys.dm_os_latch_stats', CLEAR)</p>
<h2 id="syntax">Syntax</h2>
<pre><code>Clear-DbaLatchStatistics
[-SqlInstance] <DbaInstanceParameter[]>
[[-SqlCredential] <PSCredential>]
[-EnableException]
[-WhatIf]
[-Confirm]
[<CommonParameters>]
</code></pre>
<p> </p>
<h2 id="examples">Examples</h2>
<p> </p>
<h5 id="example-1">Example: 1</h5>
<pre><code>PS C:\> Clear-DbaLatchStatistics -SqlInstance sql2008, sqlserver2012
</code></pre>
<p>After confirmation, clears latch statistics on servers sql2008 and sqlserver2012<br></p>
<h5 id="example-2">Example: 2</h5>
<pre><code>PS C:\> Clear-DbaLatchStatistics -SqlInstance sql2008, sqlserver2012 -Confirm:$false
</code></pre>
<p>Clears latch statistics on servers sql2008 and sqlserver2012, without prompting<br></p>
<h5 id="example-3">Example: 3</h5>
<pre><code>PS C:\> 'sql2008','sqlserver2012' | Clear-DbaLatchStatistics
</code></pre>
<p>After confirmation, clears latch statistics on servers sql2008 and sqlserver2012<br></p>
<h5 id="example-4">Example: 4</h5>
<pre><code>PS C:\> $cred = Get-Credential sqladmin
PS C:\> Clear-DbaLatchStatistics -SqlInstance sql2008 -SqlCredential $cred
</code></pre>
<p>Connects using sqladmin credential and clears latch statistics on servers sql2008 and sqlserver2012<br></p>
<h3 id="required-parameters">Required Parameters</h3>
<h5 id="sqlinstance">-SqlInstance</h5>
<p>Allows you to specify a comma separated list of servers to query. <br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td></td>
</tr>
<tr>
<td>Required</td>
<td>True</td>
</tr>
<tr>
<td>Pipeline</td>
<td>true (ByValue)</td>
</tr>
<tr>
<td>Default Value</td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="optional-parameters">Optional Parameters</h3>
<h5 id="sqlcredential">-SqlCredential</h5>
<p>Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential).<br />
Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory - Integrated are all supported.<br />
For MFA support, please use Connect-DbaInstance.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td></td>
</tr>
<tr>
<td>Required</td>
<td>False</td>
</tr>
<tr>
<td>Pipeline</td>
<td>false</td>
</tr>
<tr>
<td>Default Value</td>
<td></td>
</tr>
</tbody>
</table>
<h5 id="enableexception">-EnableException</h5>
<p>By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message.<br />
This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting.<br />
Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td></td>
</tr>
<tr>
<td>Required</td>
<td>False</td>
</tr>
<tr>
<td>Pipeline</td>
<td>false</td>
</tr>
<tr>
<td>Default Value</td>
<td>False</td>
</tr>
</tbody>
</table>
<h5 id="whatif">-WhatIf</h5>
<p>If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td>wi</td>
</tr>
<tr>
<td>Required</td>
<td>False</td>
</tr>
<tr>
<td>Pipeline</td>
<td>false</td>
</tr>
<tr>
<td>Default Value</td>
<td></td>
</tr>
</tbody>
</table>
<h5 id="confirm">-Confirm</h5>
<p>If this switch is enabled, you will be prompted for confirmation before executing any operations that change state.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td>cf</td>
</tr>
<tr>
<td>Required</td>
<td>False</td>
</tr>
<tr>
<td>Pipeline</td>
<td>false</td>
</tr>
<tr>
<td>Default Value</td>
<td></td>
</tr>
</tbody>
</table>
<p> </p>
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