dbatools

1.1.19

functions/Get-DbaDbccProcCache.ps1

                                function Get-DbaDbccProcCache {

    <#

    .SYNOPSIS

        Execution of Database Console Command DBCC PROCCACHE

    .DESCRIPTION

        Returns the results of DBCC PROCCACHE

        Read more:

            - https://docs.microsoft.com/en-us/sql/t-sql/database-console-commands/dbcc-proccache-transact-sql

    .PARAMETER SqlInstance

        The target SQL Server instance or instances.

    .PARAMETER SqlCredential

        Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential).

        Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory - Integrated are all supported.

        For MFA support, please use Connect-DbaInstance.

    .PARAMETER EnableException

        By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message.

        This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting.

        Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch.

    .NOTES

        Tags: DBCC

        Author: Patrick Flynn (@sqllensman)

        Website: https://dbatools.io

        Copyright: (c) 2018 by dbatools, licensed under MIT

        License: MIT https://opensource.org/licenses/MIT

    .LINK

        https://dbatools.io/Get-DbaDbccProcCache

    .EXAMPLE

        PS C:\> Get-DbaDbccProcCache -SqlInstance Server1

        Get results of DBCC PROCCACHE for Instance Server1

    .EXAMPLE

        PS C:\> 'Sql1','Sql2/sqlexpress' | Get-DbaDbccProcCache

        Get results of DBCC PROCCACHE for Instances Sql1 and Sql2/sqlexpress

    .EXAMPLE

        PS C:\> $cred = Get-Credential sqladmin

        PS C:\> Get-DbaDbccProcCache -SqlInstance Server1 -SqlCredential $cred

        Connects using sqladmin credential and gets results of DBCC PROCCACHE for Instance Server1

    #>

    [CmdletBinding()]

    param (

        [parameter(Mandatory, ValueFromPipeline)]

        [DbaInstanceParameter[]]$SqlInstance,

        [PSCredential]$SqlCredential,

        [switch]$EnableException

    )

    begin {

        $stringBuilder = New-Object System.Text.StringBuilder

        $null = $stringBuilder.Append("DBCC PROCCACHE WITH NO_INFOMSGS")

    }

    process {

        $query = $StringBuilder.ToString()

        foreach ($instance in $SqlInstance) {

            try {

                $server = Connect-DbaInstance -SqlInstance $instance -SqlCredential $SqlCredential

            } catch {

                Stop-Function -Message "Failure" -Category ConnectionError -ErrorRecord $_ -Target $instance -Continue

            }

            try {

                Write-Message -Message "Query to run: $query" -Level Verbose

                $results = $server.Query($query)

            } catch {

                Stop-Function -Message "Failure" -ErrorRecord $_ -Target $server -Continue

            }

            foreach ($row in $results) {

                [PSCustomObject]@{

                    ComputerName = $server.ComputerName

                    InstanceName = $server.ServiceName

                    SqlInstance  = $server.DomainInstanceName

                    Count        = $row[0]

                    Used         = $row[1]

                    Active       = $row[2]

                    CacheSize    = $row[3]

                    CacheUsed    = $row[4]

                    CacheActive  = $row[5]

                }

            }

        }

    }

}

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