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Move-SPEnterpriseSearchLinksDatabases

SharePoint 2013
 

Applies to: SharePoint Server 2013 Standard, SharePoint Server 2013 Enterprise, SharePoint Foundation 2013

Topic Last Modified: 2014-09-12

Repartitions data and moves it across links databases.

Move-SPEnterpriseSearchLinksDatabases -SearchApplication <SearchServiceApplicationPipeBind> [-AssignmentCollection <SPAssignmentCollection>] [-Confirm [<SwitchParameter>]] [-RepartitioningId <Guid>] [-SourceStores <LinksStore[]>] [-TargetStores <LinksStore[]>] [-WhatIf [<SwitchParameter>]]

-------EXAMPLE 1-------

$ssa=Get-SPEnterpriseSearchServiceapplication
$ssa | New-SPEnterpriseSearchLinksDatabase -DatabaseName "links1"
$ssa | New-SPEnterpriseSearchLinksDatabase -DatabaseName "links2"
$ssa | New-SPEnterpriseSearchLinksDatabase -DatabaseName "links3"
$dbs = $ssa | Get-SPEnterpriseSearchLinksDatabase
$ssa | Move-SPEnterpriseSearchLinksDatabases -TargetStores $dbs

This example adds three new links databases and repartitions the data across the existing and new links databases. First, we create the three new links databases. Then we define $dbs, which references the existing and new links databases. Finally, we use Move-SPEnterpriseSearchLinksDatabases to repartition the data across the existing and new links databases.

-------EXAMPLE 2-------

$ssa=Get-SPEnterpriseSearchServiceapplication
$ssa | New-SPEnterpriseSearchLinksDatabase -DatabaseName "links2"
$targetdb = $ssa | Get-SPEnterpriseS-earchLinksDatabase -Identity links2
$sourcedb = $ssa | Get-SPEnterpriseSearchLinksDatabase "links1"
$ssa | Move-SPEnterpriseSearchLinksDatabases -SourceStores $sourcedb -TargetStores $targetdb


This example adds one new links database and moves data from the existing links database to the new links database. First, we create a links database named “links2”. Then we define $targetdb, which references the new links database “links2”. We assume that the Search service application referenced by $ssa has a links store database named “links1”. We define $sourcedb, which references the old links database “links1”. Finally, we use Move-SPEnterpriseSearchLinksDatabases to move the data from “links1” to “links2”. When the move is complete, you can remove “links1”.

A links database stores query logging and analytics information. The Move-SPEnterpriseSearchLinksDatabases cmdlet moves this data across a given list of links databases during farm configuration and scale out, to improve the performance and resource load of the farm. Once the move has started, the cmdlet will return a unique identifier, the RepartitioningId. Use this identifier to retrigger if the current run fails. After the move has finished, the old databases can be removed.

 

Parameter Required Type Description

SearchApplication

Required

Microsoft.Office.Server.Search.Cmdlet.SearchServiceApplicationPipeBind

Specifies the search application that contains the links database. The type must be a valid GUID, in the form 12345678-90ab-cdef-1234-567890bcdefgh; a valid search application name (for example, SearchApp1); or an instance of a valid SearchServiceApplication object.

AssignmentCollection

Optional

Microsoft.SharePoint.PowerShell.SPAssignmentCollection

Manages objects for the purpose of proper disposal. Use of objects, such as SPWeb or SPSite, can use large amounts of memory and use of these objects in Windows PowerShell scripts requires proper memory management. Using the SPAssignment object, you can assign objects to a variable and dispose of the objects after they are needed to free up memory. When SPWeb, SPSite, or SPSiteAdministration objects are used, the objects are automatically disposed of if an assignment collection or the Global parameter is not used.

NoteNote:
When the Global parameter is used, all objects are contained in the global store. If objects are not immediately used, or disposed of by using the Stop-SPAssignment command, an out-of-memory scenario can occur.

Confirm

Optional

System.Management.Automation.SwitchParameter

Prompts you for confirmation before executing the command. For more information, type the following command: get-help about_commonparameters

RepartitioningId

Optional

System.Guid

Resumes the move with this identifier.

SourceStores

Optional

Microsoft.Office.Server.Search.Administration.LinksStore[]

Specifies a source list of databases. If this parameter is not specified then all currently existing links databases will be used as a source list.

TargetStores

Optional

Microsoft.Office.Server.Search.Administration.LinksStore[]

Specifies a target list of databases. If this parameter is not specified then all currently existing links databases will be used as a target list.

WhatIf

Optional

System.Management.Automation.SwitchParameter

Displays a message that describes the effect of the command instead of executing the command. For more information, type the following command: get-help about_commonparameters

SearchApplication

Required

Microsoft.Office.Server.Search.Cmdlet.SearchServiceApplicationPipeBind

Specifies the search application that contains the links database. The type must be a valid GUID, in the form 12345678-90ab-cdef-1234-567890bcdefgh; a valid search application name (for example, SearchApp1); or an instance of a valid SearchServiceApplication object.

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