functions/Clear-DbaSqlConnectionPool.ps1
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Function Clear-DbaSqlConnectionPool { <# .SYNOPSIS Resets (or empties) the connection pool. .DESCRIPTION This command resets (or empties) the connection pool. If there are connections in use at the time of the call, they are marked appropriately and will be discarded (instead of being returned to the pool) when Close is called on them. Ref: https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.clearallpools(v=vs.110).aspx .PARAMETER ComputerName A remote workstation or server name .PARAMETER Credential Credential for running the command remotely .NOTES dbatools PowerShell module (https://dbatools.io, clemaire@gmail.com) Copyright (C) 2016 Chrissy LeMaire This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. .LINK https://dbatools.io/Clear-DbaSqlConnectionPool .EXAMPLE Clear-DbaSqlConnectionPool Clears all local connection pools .EXAMPLE Clear-DbaSqlConnectionPool -ComputerName workstation27 Clears all connection pools on workstation27 #> [CmdletBinding()] Param ( [Parameter(ValueFromPipeline = $true)] [Alias("cn", "host", "Server")] [string[]]$ComputerName = $env:COMPUTERNAME, [PSCredential][System.Management.Automation.CredentialAttribute()] $Credential ) process { # TODO: https://jamessdixon.wordpress.com/2013/01/22/ado-net-and-connection-pooling ForEach ($Computer in $Computername) { If ($Computer -ne $env:COMPUTERNAME -and $Computer -ne "localhost" -and $Computer -ne "." -and $Computer -ne "127.0.0.1") { Write-Verbose "Clearing all pools on remote computer $Computer" if ($credential) { Invoke-Command -ComputerName $computer -Credential $Credential -ScriptBlock { [System.Data.SqlClient.SqlConnection]::ClearAllPools() } } else { Invoke-Command -ComputerName $computer -ScriptBlock { [System.Data.SqlClient.SqlConnection]::ClearAllPools() } } } else { Write-Verbose "Clearing all local pools" if ($credential) { Invoke-Command -Credential $Credential -ScriptBlock { [System.Data.SqlClient.SqlConnection]::ClearAllPools() } } else { Invoke-Command -ScriptBlock { [System.Data.SqlClient.SqlConnection]::ClearAllPools() } } } } } } |